import itertools

def xadd(a, b):
	return [(a[i] + b[i]) % 10 for i in range(6)]
	
def xmul(a, x):
	return [a[i] * x % 10 for i in range(6)]
	
a = [[int(x) for x in input()] for _ in range(6)]

st = set()
for k in itertools.product(range(10), repeat=6):
	s = [0] * 6
	for i in range(6):
		s = xadd(xmul(a[i], k[i]), s)
	st.add(tuple(s))
    
print(len(st))