from itertools import *

A = []
for i in range(6):
    L = [int(a) for a in list(input())]
    A.append(L)
    
def f(L, x):
    LL = [0] * 6
    for i in range(6):
        LL[i] = L[i] *  x
        LL[i] %= 10
    return L
    
ans = set()
for t in product(range(10), repeat=6):
    temp = [0] * 6
    for i in range(6):
        # g = f(A[i], t[i])
        for j in range(6):
            temp[j] += A[i][j] * t[i]
            temp[j] %= 10
    for i in range(6):
        temp[i] = str(temp[i])
    ans.add("".join(temp))

print(len(ans))