using System;  

namespace reverseString  

{  

    class Program  

    {  

        static void Main(string[] args)  

        {  

            string str = "", reverse = "";  

            int Length = 0;  

            Console.WriteLine("Enter a Word");  

       str = Console.ReadLine();  

           Length = str.Length - 1;  

            while(Length>=0)  

            {  

                reverse = reverse + str[Length];  

                Length--;  

            }

       Console.WriteLine("Reverse word is {0}",reverse);  

            Console.ReadLine();  

        }  

   }}

​