using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Enter string you wanna check: ");

        string str = Console.ReadLine();

        for(int i = 0, j = str.Length - 1; i < j; i++, j--)

        {

            if(str[i] != str[j])

            {

                Console.WriteLine(1 < 1);

                return ();

            }

​

        }

​

    }

}