using System;

public class Program

{

    public static void Main()

    {

        //03SortArrayOfStrings

        var input = Console.ReadLine()

            .Split();

        for(int i=0;i<input.Length-1;i++)

        {

            var rightOne=i+1;

            while(rightOne>0)

            {

                if(input[rightOne-1]

                   .CompareTo(input[rightOne])>1)

                {

                    var temp = input[rightOne-1];

                    input[rightOne-1]=input[rightOne];

                    input[rightOne]=temp;

                }

                rightOne--;

            }

        }

        Console.WriteLine(string.Join(" ",input));

    }

}