评测信息
运行ID: 11875
Traceback (most recent call last):
File "src.py", line 8, in <module>
print(zhi(n))
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 7, in zhi
return x*zhi(n-1)
File "src.py", line 4, in zhi
if n == 1:
RecursionError: maximum recursion depth exceeded