Traceback (most recent call last): File "src.py", line 7, in <module> print(f(n)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) File "src.py", line 6, in f return a*(a^f(n-1)) RecursionError: maximum recursion depth exceeded