#include<iostream>
#include<string>
#include<vector>
#include<map>
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> P;
#define INF 1000000000
map<string,int> data;
void dfs(string now,string str,int cou);
int lim;

int main(){
	string str;
	cin >> str;
	lim = str.size();
	string t = "";
	dfs(t,str,0);
	cout << data.size() << endl;
}

void dfs(string now,string str,int cou){
	if(cou == lim) {
		data[now] = 1;
		return;
	}
	int len = str.size();
	string tmp = str;
	string next = now;
	tmp.erase(0,1);
	next += str[0];
	dfs(next,tmp,cou+1);
	tmp = str;
	next = now;
	tmp.erase(len-1,1);
	next += str[len-1];
	dfs(next,tmp,cou+1);
}