from itertools import permutations
X = input()
Y = input()
Z = input()

ans = set()
for i in range(1,len(X)+1):
    a = X[:i]
    for j in range(1,len(Y)+1):
        b = Y[:j]
        for k in range(1,len(Z)+1):
            c = Z[:k]
            for v in permutations([a,b,c]):
                ans.add("".join(v))

print(len(ans))