using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter the string : ");

        string str= Console.ReadLine();

         string rev=string.Empty;

        for(int i=(str.Length-1);i>=0;i--)

        {

            rev=rev+ str[i]; //rev+=str;

        }

        if(rev == str)

        {

            Console.WriteLine("String is Palindrome ");

        }

        else

        {

            Console.WriteLine("String is Not Palindrome ");

        }

    }

}