using System;
namespace @new
{
    class Program
    {
        public static void Main()
        {
            string numbers = Console.ReadLine();
            char[] arr1 = numbers.Replace(" ", string.Empty).Replace(",", string.Empty).ToCharArray();


            int[] arr = new int[arr1.Length];

            for (int i = 0; i < arr1.Length; i++)
            {
                arr[i] = Convert.ToInt32(new string(arr1[i], 1));
            }

            int temp;


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


                for (int j = i + 1; j < arr.Length; j++)


                    if (arr[i] < arr[j])
                    {

                        temp = arr[i];
                        arr[i] = arr[j];
                        arr[j] = temp;
                    }


            for (int i = 0; i < arr.Length; i++)
            {
                Console.Write($"{i}, ");
            }



        }
    }