using System;

using System.Collections;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        //ArrayList<Object> a1 = new ArrayList<Object>();   

        List<Object> a1 = new List<Object>();

           a1.Add(1);

           a1.Add("Example");

           a1.Add(true);

        foreach(var a in a1)

            Console.WriteLine(a);

    }

}