using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var range = Enumerable.Range(1, 1000);

        Console.WriteLine("Using LINQ...");

        range.ToList().ForEach(i => Console.WriteLine(i));

        Console.WriteLine("Using PLINQ...");

        range.AsParallel().ForAll(i => Console.WriteLine(i));

    }

}