import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################
a = [ni() for i in range(6)]

def f(a, b):
    r = 0
    for i in range(6):
        r += (a + b) % 10 * (10**i)
        a //= 10
        b //= 10
    return r

b = []
for i in range(6):
    s = [0]
    for j in range(10):
        s.append(f(s[-1], a[i]))
    b.append(s)
ans = set() 
from itertools import product
for p in product(range(10), repeat=6):
    s = 0
    for i in range(6):
        s = f(s, b[i][p[i]])
    ans.add(s)
#print(ans)
print(len(ans))