#define _USE_MATH_DEFINES
#include<iostream>
#include<vector>
#include<algorithm>
#include<cmath>
#include<string>
#include<iomanip>
#include<numeric>
#include<queue>
#include<deque>
#include<stack>
#include<set>
#include<map>
#include<random>
#include<bitset>
#include<cassert>
#include<complex>
#include<fstream>
#include<cstdlib>
#include<functional>
#include<array>
using namespace std;
typedef long long ll;
const int mod=998244353;
const int dx[]={1,0,0,-1},dy[]={0,1,-1,0};
int main(){
	string s;
	cin>>s;
	set<string>st;
	for(int S=0;S<1<<s.size();S++){
		string s2=s,t;
		for(int i=0;i<s.size();i++){
			if(S>>i&1){
				t.push_back(s2.back());
				s2.pop_back();
			}else{
				t.push_back(s2[0]);
				s2.erase(s2.begin());
			}
		}
		st.insert(t);
	}
	cout<<st.size()<<endl;
}