import sequtils,strutils,sets

var
    s = initSet[string](1024)
    S = stdin.readline
    
for i in 0..<(1 shl S.len):
    var n = ""
    var S2 = S
    for j in 0..S.high:
        if (i and (1 shl j)) > 0:
            n &= S2[^1]
            S2 = S2[0..<S2.high]
        else:
            n &= S2[0]
            S2 = S2[1..S2.high]
    s.incl(n)
echo s.len