from itertools import permutations
from sys import stdin, stdout

input = lambda: stdin.readline().rstrip()
write = stdout.write

def main():
    S = input()

    strings = set()
    for s in permutations(S[:-1]):
        strings.add(S[-1] + ''.join(s))
    for s in permutations(S[1:]):
        strings.add(S[0] + ''.join(s))
    print(len(strings))

main()