using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        List<string> strs = new List<string>();

        strs.Add("Jenish");

        strs.Add("Jenish1");

        strs.Add("Jenish2");

        var joined = string.Join(", ", strs);

        Console.WriteLine(joined);

    }

}