Problem:
Score : 100 points

Problem Statement

You are given a three-digit positive integer N.

Determine whether N is a palindromic number.

Here, a palindromic number is an integer that reads the same backward as forward in decimal notation.

Constraints

100≤N≤999

N is an integer.

Input

Input is given from Standard Input in the following format:

N

Output

If N is a palindromic number, print Yes; otherwise, print No.

Sample Input 1

575

Sample Output 1

Yes

N=575 is also 575 when read backward, so it is a palindromic number. You should print Yes.

Sample Input 2

123

Sample Output 2

No

N=123 becomes 321 when read backward, so it is not a palindromic number. You should print No.

Sample Input 3

812

Sample Output 3

No

Solution in C# (Mono 4.6.2.0) (judge verdict: Accepted)

using System;

namespace a
{
    class Program
    {
        static void Main(string[] args)
        {
            var s = Console.ReadLine();

            var n = new string[s.Length];
            for(var i = s.Length - 1; i >= 0; i--){
                n[s.Length - 1 - i] = s[i].ToString();
            }

            if(int.Parse(s) == int.Parse(string.Join("",n))){
                Console.WriteLine("Yes");
            }else{
                Console.WriteLine("No");
            }
        }
    }
}