#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;

int main() {
    string S;
    cin >> S;

    vector<string> lst;
    
    for (int bit = 0; bit < (1 << ((int)S.size() - 1)); ++bit) {
        int idxl = 0;
        int idxr = (int)S.size() - 1;
        string s = "";
        for (int i = 0; i < (int)S.size() - 1; ++i) {
            if (bit & (1 << i)) {
                s += S[idxl++];
            } else {
                s += S[idxr--];
            }
        }
        s += S[idxl];
        lst.push_back(s);
    }

    sort(lst.begin(), lst.end());
    lst.erase(unique(lst.begin(), lst.end()), lst.end());

    cout << (int)lst.size() << endl;
}