R=range
B=10
P=[B**j for j in R(6)]
A=[]
for i in R(6):
	a=int(input())
	A+=[[a//P[j]%B for j in R(6)]]
S=[{0}for i in R(6)]
for i in R(6):
	for t in S[i-1]:
		for a in R(B):S[i].add(sum((t//P[j]+a*A[i][j])%B*P[j]for j in R(6)))
print(len(S[5]))