from itertools import permutations

X = input()
Y = input()
Z = input()

cand = set()

for i in range(1, len(X) + 1):
    for j in range(1, len(Y) + 1):
        for k in range(1, len(Z) + 1):
            for s, t, u in permutations([X[:i], Y[:j], Z[:k]]):
                cand.add(s + t + u)

print(len(cand))