using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Text.RegularExpressions;

namespace Task_3_RegexMon
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            string bojomon = @"([a-zA-Z]+)(-+)([a-zA-Z]+)";
            string didimon = @"[^-a-zA-Z]+";

            MatchCollection bojoMatch = Regex.Matches(input, bojomon);
            MatchCollection didiMatch = Regex.Matches(input, didimon);

            List<Match> list = new List<Match>();

            int counter = Math.Min(bojoMatch.Count, didiMatch.Count);

                for (int c = 0; c< counter; c++)
                {
                    list.Add(didiMatch[c]);
                    list.Add(bojoMatch[c]);
                }

            if (bojoMatch.Count>didiMatch.Count)
            {
                list.Add(bojoMatch[bojoMatch.Count-1]);
            }
            else if (bojoMatch.Count < didiMatch.Count)
            {
                list.Add(didiMatch[didiMatch.Count - 1]);
            }

            foreach (Match element in list)
            {
                Console.WriteLine(element);
            }
        }
    }
}