using System;

using System.Diagnostics;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var values = new List<int>();

        for(var index = 0; index < 5000; index++)

            values.Add(index);

        var watch = new Stopwatch();

        watch.Start();

        var anyTest = values.Any(item => item > 1000);

        var anyCompletion = watch.Elapsed.TotalSeconds;

        watch.Restart();

        var allTest = !values.All(item => item <= 1000);

        var allCompletion = watch.Elapsed.TotalSeconds;

        watch.Restart();

        var anyTest1 = values.Any(item => item > 1000);

        var anyCompletion1 = watch.Elapsed.TotalSeconds;

        Console.WriteLine("Any: {0} - All: {1} - Any (again): {2}", anyCompletion, allCompletion, anyCompletion1);

    }

}