import java.util.*;
public class Pal {

  public static void main(String[] args) {

    Scanner stdin = new Scanner(System.in);
    System.out.println("Enter word.");
    String s = stdin.next();

    if (Palindrome(s))
      System.out.println(s+" is a palindrome.");
    else
      System.out.println(s+" is NOT a palindrome.");
  }

  public static boolean Palindrome(String s) {
  
    for (int i=0; i<s.length()/2; i++) 
      if (s.charAt(i) != s.charAt(s.length()-1-i))
        return false;

    return true;
  }
}