# import pypyjit
# pypyjit.set_param('max_unroll_recursion=-1')
from collections import defaultdict as dd
S = input
R = range
P = print
def I(): return int(S())
def M(): return map(int, S().split())
def L(): return list(M())
def O(): return list(map(int, open(0).read().split()))
def yn(b): print("Yes" if b else "No")
biga = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
smaa = "abcdefghijklmnopqrstuvwxyz"

def f(n, k):
	return ''.join([str(int(i) * k % 10) for i in n])

def g(n, m):
	return ''.join([str((int(i) + int(j)) % 10) for i, j in zip(n, m)])

a = [S() for _ in R(6)]
st = set()
for p in range(10):
	for q in range(10):
		for r in range(10):
			for s in range(10):
				for t in range(10):
					for u in range(10):
						ans = '000000'
						ans = g(ans, f(a[0], p))
						ans = g(ans, f(a[1], q))
						ans = g(ans, f(a[2], r))
						ans = g(ans, f(a[3], s))
						ans = g(ans, f(a[4], t))
						ans = g(ans, f(a[5], u))
						
						st.add(ans)
print(len(st))