from itertools import product
A = [input() for i in range(6)]
AA = [list(map(int, list(a))) for a in A]
canvisit = set()


def f(a1, a2, a3, a4, a5, a6):
    now = [0] * 6
    for i in range(6):
        now[i] = AA[0][i] * a1 + AA[1][i] * a2 + AA[2][i] * a3 + AA[3][i] * a4 + AA[4][i] * a5 + AA[5][i] * a6
        if now[i] > 9:
            return -1
    return ''.join(map(str, now))


for a1, a2, a3, a4, a5, a6 in product(range(10), repeat=6):
    now = f(a1, a2, a3, a4, a5, a6)
    if now != -1:
        canvisit.add(now)

print(len(canvisit))