@ -1,3 +1,3 @@
d=list(open(0))
def f(y,x=1):return sum(d[i][i*y//x%31]=='#' for i in range(0,323,x))
f=lambda y,x=1: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))
The note is not visible to the blocked user.