import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    public static String reverse_str(String s){
        int left=0;
        int right=s.length()-1;
        while(left<right){
            if(s.charAt(left)==s.charAt(right)){
                left++;
                right--;
            }
            else{
                return "false";
            }
        }
        return "true";
    }
    public static String reverse_str1(String s){
        String value=new StringBuilder(s).reverse().toString();
        if(s.equals(value)) return "true";
        else return "false";
    }
    public static void main(String[] args) {
        System.out.println("Hello world!");
        Scanner sc=new Scanner(System.in);
        String s=sc.next();
        String res=reverse_str(s);
        String res1=reverse_str1(s);
        System.out.println(res);
        System.out.println(res1);
    }
}