package exams.july2017;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class P03_RegexMon {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

        String input = reader.readLine();

        String regexDidimon = "([^A-Za-z\\-]+)";
        String regexBojomon = "([A-Za-z]+)\\-([A-Za-z]+)";
        String regexDashes = "(\\-+)";

        Pattern didimonPattern = Pattern.compile(regexDidimon);
        Matcher didimonMatcher = didimonPattern.matcher(input);

        Pattern bojomonPattern = Pattern.compile(regexBojomon);
        Matcher bojomonMatcher = bojomonPattern.matcher(input);

        Pattern dashesPattern = Pattern.compile(regexDashes);
        Matcher dashesMatcher = dashesPattern.matcher(input);

        String currentLine = input;
        String strToRemove = "";

        while (true) {
            if (currentLine.length() == 0) break;

            if (didimonMatcher.find()) {
                System.out.println(didimonMatcher.group());
                strToRemove = didimonMatcher.group();
                currentLine = currentLine.substring(strToRemove.length(), currentLine.length());
            }
            if (bojomonMatcher.find()) {
                System.out.println(bojomonMatcher.group());
                strToRemove = bojomonMatcher.group();
                currentLine = currentLine.substring(strToRemove.length(), currentLine.length());
            }
            if (dashesMatcher.find()) {
                strToRemove = dashesMatcher.group();
                currentLine = currentLine.substring(strToRemove.length(), currentLine.length());
            }
        }
    }
}