S = input()
NS = len(S)

SG = set()
for x in range((1<<(NS-1))):
    begin = 0
    end = NS - 1
    tmp = []
    for i in range(NS):
        if x & 1:
            tmp.append(S[begin])
            begin += 1
        else:
            tmp.append(S[end])
            end -= 1
        x >>= 1
    SG.add("".join(tmp))
print(len(SG))