using System;

using System.Collections ;

public class Program

{

    public static void Main()

    {

        ArrayList a = new ArrayList() ;

        Console.WriteLine("adding data");

        a.Add(1);

        a.Add(2);

        a.Add(45);

        a.Add(6);

        Console.WriteLine("diaplaying data");

        foreach(int cnt in a)

        {

            Console.WriteLine(cnt);

        }

        Console.WriteLine("sorting data");

        a.Sort();

        foreach(int cnt in a)

        {

            Console.WriteLine(cnt);

        }

    }

}