using System;
using System.Collections.Generic;
using System.Linq;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            List<int> numbers = new List<int>();//deklaracja i inicjalizacja pustej listy

            while (true)
            {
                int number = Convert.ToInt32(Console.ReadLine());

                if (number == -1)
                {
                    foreach (var num in numbers.OrderByDescending(a => a))
                        Console.WriteLine(num);

                    Console.ReadLine();

                    return;
                }
                else
                    numbers.Add(number);
            }
        }
    }
}