#include<bits/stdc++.h>
using namespace std;
using Int = long long;
template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}

//INSERT ABOVE HERE
signed main(){
  string s;
  cin>>s;
  using D = deque<char>;
  D x(s.begin(),s.end());
  D y;
  set<D> ans;
  function<void()> dfs=
    [&](){
      if(x.empty()){
        ans.emplace(y);
        return;
      }
      {
        char c=x.front();
        x.pop_front();
        y.push_back(c);
        dfs();
        x.push_front(c);
        y.pop_back();
      }
      {
        char c=x.back();
        x.pop_back();
        y.push_back(c);
        dfs();
        x.push_back(c);
        y.pop_back();
      }
    };
  
  dfs();
  cout<<ans.size()<<endl;
  return 0;
}