Traceback (most recent call last): File "src.py", line 9, in <module> print(format(getans(a, b), '.1f')) File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 5, in getans return getans(a, b - 1) * a File "src.py", line 2, in getans if b == 1 : RecursionError: maximum recursion depth exceeded