using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        String s = "boob";

        String n = new String(s.Reverse().ToArray());

        //Console.WriteLine(n);

        if(s == n) {

            Console.WriteLine("Palindrome");

        }

        else {

            Console.WriteLine("Not palindrome");

        }

    }

}