using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var lista = new List<int> { 0, 1, 3, 4, 0, 2, 0, 0, 6, 9 };

        foreach(var item in lista.OrderBy(x => x > 0)) {

            Console.WriteLine(item);

        }

    }

}