from itertools import product

A = [0] * 6
for i in range(6):
    A[i] = list(input())
    for j in range(6):
        A[i][j] = int(A[i][j])

ans = set()

for x in product(range(10), repeat=6):
    #print(x)
    s = [0] * 6
    for i in range(6):
        for j in range(6):
            s[j] += A[i][j] * x[i]

    t = 0
    for i in range(6):
        t += (s[i] % 10) * 10 ** (5-i)

    ans.add(t)

print(len(ans))
#print(ans)