# https://yukicoder.me/problems/no/3714



def main():
    X = input()
    Y = input()
    Z = input()

    def prefixes(X):
        x_words = []
        for x_len in range(len(X)):
            x_ = X[:x_len + 1]
            x_words.append(x_)
        return x_words

    x_words = prefixes(X)
    y_words = prefixes(Y)
    z_words = prefixes(Z)

    answer = set()
    for x in x_words:
        for y in y_words:
            for z in z_words:
                answer.add(x + y + z)
                answer.add(x + z + y)
                answer.add(y + x + z)
                answer.add(y + z + x)
                answer.add(z + x + y)
                answer.add(z + y + x)
    print(len(answer))

    





if __name__ == "__main__":
    main()