import java.math.*;
import java.util.*;

public class Main {
	static Set<String> ans;
	static void dfs(String to,String moto){
		if(moto.equals("")){
			ans.add(to);
			return;
		}
		String temp = to + moto.charAt(0);
		dfs(temp, moto.substring(1,moto.length()));
		temp=to+moto.charAt(moto.length()-1);
		dfs(temp, moto.substring(0,moto.length()-1));
		
	}
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        ans=new HashSet<>();
        String string = sc.next();
        dfs("", string);
        System.out.println(ans.size());
    }
}