using System;
using System.Collections.Generic;

namespace yukicoder
{
    class Program
    {
        static void Main(string[] args)
        {
            int N = int.Parse(Console.ReadLine());
            var lst = new List<int>();

            int div = 1000;
            while (N % div != 0)
            {                                
                lst.Add(N % div);
                N /= div;
            }

            lst.Reverse();
            Console.WriteLine(string.Join(",", lst));
        }
    }
}