from collections import Counter
from math import factorial
from sys import stdin, stdout

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

def main():
    S = input()

    n1, n2 = factorial(len(S)), 1
    cnt = Counter(S)
    for i in cnt.values():
        n2 *= factorial(i)
    ans = (n1 // n2) % 573 - 1
    print(ans)

main()