S = []
for i in range(6):
    s = input()
    S.append(s)

cnts = [0]*6

def solve(st):
    stnew = st
    while True:
        found = False
        m = len(st)
        l = list(st)
        for i in range(m):
            for j in range(m):
                x1 = l[i]
                x2 = l[j]
                x = (x1 + x2) % 10
                if x not in stnew:
                    found = True
                    stnew.add(x)
                    break
            if found == True:
                break
        if found == False:
            return len(stnew)
    return 0

for i in range(6):
    # i桁目
    st = set()
    for j in range(6):
        st.add(int(S[j][i]))
    # print(st)
    cnts[i] = solve(st)
ans = 1
for i in range(6):
    ans *= cnts[i]
print(ans)
# print(cnts)