using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var numbers = Enumerable.Range(1, 10);

        var twNos = numbers.TakeWhile(n => n < 5);

        var swNos = numbers.SkipWhile(n => n < 6);

        Console.WriteLine("TakeWhile: ");

        foreach(var n in twNos) Console.Write($"{n},");

        Console.WriteLine("\n");

        Console.WriteLine("SkipWhile: ");

        foreach(var n in swNos) Console.Write($"{n},");

    }

}