using System;

using System.Linq;

public class Program

{

    static int[] numbers = new int[]  { 10,12,8,-1,13};

    public static IEnumerable<T> Sort<T>(IEnumerable<T> list)

    {

        return list;

    }

    public static void Main()

    {

        var qsort = Sort(numbers);

        foreach(var n in sorted)

        {

            Console.WriteLine(n);

        }

            }

}