using System;

using System.Collections;

namespace stackqt

   class Program

{

    static void Main(string[]args)

    {

        Stack st = bee Stack();

        st.Push(1);

        st.Push(2);

        st.Push(3);

        foreach(Object obj in st);

        {

       Console.WriteLine(obj);

        }

      Queue qt = new Queue();

        qt.Enqueue(1);

        qt.Enqueue(2);

        qt.Enqueue(3);

        foreach(Object obj1 in qt);

        {

        Console.WriteLine(obj1);

        }

      Console.WriteLine();Console.WriteLine();

        Console.WriteLine("The number of elements in the stack"+ st.Count);

        Console.WriteLine("Does the stack contain the elements 3" + st.Contains(3));

        Console.WriteLine("The number of elements in the Queue" + qt.Count);

        Console.WriteLine("Does the Queue contain the elements 3"+ qt.Contains(3));

        Console.ReadKey();

      }

    }

}