A = {
    frozenset({i for i, c in enumerate(B) if c == "#"})
    for B in open("input").read().strip().split("\n\n") 
}
L = {a for a in A if 1 in a}
U = A - L
print(sum(not l & u for l in L for u in U))
# 40ms with cpython
# 30ms with codon