import sys
input = sys.stdin.readline

A=[input().strip() for i in range(6)]

ANS=1

for i in range(6):
    B=[0]*10
    for a in A:
        B[int(a[i])]=1

    for tt in range(100):

        for j in range(10):
            for k in range(10):
                if B[j]==1 and B[k]==1:
                    B[(j+k)%10]=1

    ANS=ANS*sum(B)

print(ANS)