#!python

from itertools import permutations

a = 123
b = ‘123‘
c = [‘1‘,‘2‘,‘3‘]
d = input("INPUT:")

def pailie(m):

    t = 0
    ol = []
    for n in permutations(m,len(m)):
#        print(n)
#        print(‘‘.join(n))
        ol.append(n)
#        t = t + 1
#    print("Total:" + str(t))
#    print(ol)
    print(len(set(ol)))
#    print(‘Total:‘+str(len(ol)))

pailie(d)