using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;

public class Example
{
    public static void Main()
    {
        string input = Console.ReadLine();
        string pattern = @"(\w+)-\1";
        var didimon = new List<string>();
        var bojomon = new List<Group>();

        foreach (Match m in Regex.Matches(input, pattern))
        {
            bojomon.Add(m);

        }
        var result = Regex.Split(input, @"(\w+)-\1");
        foreach (var item in result)
        {
            didimon.Add(item);
        }
    }
}