using System;

                    using System.Collections.Generic;       

public class Program

{

        public static void Main(string[] args)

 {

 Queue<string> queue = new Queue<string>();

 queue.Enqueue("Message One");

 queue.Enqueue("Message Two");

 queue.Enqueue("Message Three");

 queue.Enqueue("Message Four");

 while (queue.Count > 0)

 {

 string msg = queue.Dequeue();

 Console.WriteLine(msg);

 }

 }

 }