using System;

using System.Collections.Generic;

using System.Collections;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        var list = new List<PackageType>();

        var foo = list as IEnumerable<object>;

        System.Console.Write(foo.ToString());

    }

    public enum PackageType

    {

        Foo,

        Bar

    }

}