import itertools

S = input()
len_S = len(S)
st = set()
for t in itertools.product((0, 1), repeat=len_S):
    S_after = []
    l, r = 0, len_S - 1
    for x in t:
        if x:
            S_after.append(S[l])
            l += 1
        else:
            S_after.append(S[r])
            r -= 1
    st.add(''.join(map(str, S_after)))
print(len(st))