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

for i in range(10**6):
    if DP[i]==1:
        for a in A:
            DP[calc(i,a)]=1

print(sum(DP))