import itertools

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

px = [X[:i] for i in range(1, len(X) + 1)]
py = [Y[:i] for i in range(1, len(Y) + 1)]
pz = [Z[:i] for i in range(1, len(Z) + 1)]

ans = set()
for a in px:
    for b in py:
        for c in pz:
            for perm in itertools.permutations([a, b, c], 3):
                ans.add("".join(perm))

print(len(ans))