from itertools import product
from collections import deque

S=input()
N=len(S)

A=set()

for T in product([0,1],repeat=N):
    Q=deque(S)
    X=""
    for x in T:
        if x==0:
            y=Q.popleft()
        else:
            y=Q.pop()
        X+=y

    A.add(X)

print(len(A))