using System;
namespace forgetCode
{
    class Program
    {
        public static void Main(string[] args)
        {
            Console.WriteLine("Enter the string to reverse :");
            string name = Console.ReadLine();
 
            char[] charArray = name.ToCharArray();
            int len = name.Length - 1;
 
            for (int i = 0; i < len; i++, len--)
            {
                charArray[i] ^= charArray[len];
                charArray[len] ^= charArray[i];
                charArray[i] ^= charArray[len];
            }
 
            string newName = new string(charArray);
            Console.WriteLine(newName);
        }
    }
}