using System;

using System.Collections;

​

public class Program

{

    public static void Main()

    {       

        //Create a new stack

        Stack myStack = new Stack();

        //Add items to the stack

        myStack.Push(1);

        myStack.Push(11);

        myStack.Push(22);

        myStack.Push(22);

        myStack.Push(4);

        myStack.Push(45);

        myStack.Push(22);

        myStack.Push(2);

        myStack.Push(99);

​

        //Output the contents of the stack

        foreach (var item in myStack)

        {

             Console.WriteLine(item);

        }

        //Count the items in the queue

        Console.WriteLine("Number of elements in Stack: {0}", myStack.Count);

  }

}

​

​