// Program 42: Word Palindrome

import java.util.*;
class WordPalindrome
{
    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter a word: ");
        String s = sc.next();
        String rev = "";
        for (int i = s.length() - 1; i >= 0; i--)
        {
            rev += s.charAt(i);
        }
        if (s.equalsIgnoreCase(rev))
        {
            System.out.println("Palindrome");
        }
        else
        {
            System.out.println("Not a palindrome");
        }
    }
}