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: k=a for j in range(10): DP[calc(i,k)]=1 k=calc(k,a) print(sum(DP))