using System;

public class Program

{

    public static void Main()

    {

            string input = "29 my age";

            string output = "";

​

            // Reverse the word from back to front

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

            {

                output += input[i];

            }

​

            Console.WriteLine("Input: " + input);

            Console.WriteLine("Output: " + output);

​

    }

}