import sys
from itertools import accumulate, combinations, count, permutations, product


def input():
    return sys.stdin.readline()[:-1]


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

    arr, pre = [], []
    for s in (X, Y, Z):
        for i in range(1, len(s) + 1):
            arr.append(s[:i])
        pre.append(arr[:])
        arr.clear()

    name = set()
    for a in permutations(pre):
        for a0 in a[0]:
            for a1 in a[1]:
                for a2 in a[2]:
                    name.add(a0 + a1 + a2)
    print(len(name))


if __debug__:
    main()
else:
    import pprint

    with open(sys.argv[1], "r") as f:
        sys.stdin = f
        main()