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]*B**6
for a in R(B**6):S[sum(sum(A[i][j]*(a//p[j])for i in R(6))%B*p[j]for j in R(6))]=1
print(sum(S))