using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        while (true)

        {

            var l = new List<string>();

            var intList = new List<int>();

            Console.WriteLine("Number Sorter");

            Console.WriteLine("Enter your numbers below.");

            string input = Console.ReadLine();

            int count1 = 0;

            int count2 = 0;

            int lastIndex = 0;

            input = input + " ";

            while (true)

            {

                int d = Math.Abs(count2-lastIndex);

                try

                {

                    //Console.WriteLine(input.Substring(count2, count2+1));

                    if (Char.IsWhiteSpace(input, count2))

                    {

                        l.Insert(l.Count, input.Substring(lastIndex, d));

                        lastIndex = count2+1;

                    }

                }

                catch

                {

                    if (count2 > l.Count)

                    {

                        break;

                    }

                }   

                count2++;

                }

            try

            {

                foreach (string x in l)

                {

                    intList.Insert(count1, Int32.Parse(x));

                }

            }

            catch

            {

                Console.WriteLine("Your input " + input + " is not valid.");

            }

            intList.Sort();

            string newString = "";

            foreach (int x in intList)

            {

                newString = newString + Convert.ToString(x) + " ";

            }

            Console.WriteLine("_________________");

            Console.WriteLine(newString);

            Console.WriteLine(" ");

        }

    }

}