import sys
input = sys.stdin.readline

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

def calc(x,y):
    ANS=0
    for i in range(6):
        c=((x//(10**i)%10 + y//(10**i)%10)%10) * (10**i)
        #print(i,c)
        ANS+=c
    return ANS

DP=[0]*(10**6)
DP[0]=1
Q=[0]
while Q:
    x=Q.pop()
    for a in A:
        to=calc(a,x)
        if DP[to]==0:
            DP[to]=1
            Q.append(to)

print(sum(DP))