4 lines
120 B
Python
4 lines
120 B
Python
d=list(open(0))
|
|
def f(y,x=1):return sum(d[i][i*y//x%31]=='#' for i in range(0,323,x))
|
|
print(f(1)*f(3)*f(5)*f(7)*f(1,2))
|