package Fundamentals.AssociativeArrays.Exercises;

import java.util.*;

public class Demo {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String input = scanner.nextLine();

        Map<String, List<String>> map = new LinkedHashMap<>();

        while (!input.equals("Lumpawaroo")) {

            if (input.contains("|")) {
                String[] inputArr = input.split(" \\| ");
                String side = inputArr[0];
                String user = inputArr[1];

                boolean thereIsNotSuchUser = true;
                for(Map.Entry<String, List<String>> current : map.entrySet()){
                    if(current.getValue().contains(user)){
                        thereIsNotSuchUser = false;
                        break;
                    }
                }
                if (thereIsNotSuchUser) {
                    if (!map.containsKey(side)) {
                        map.put(side, new ArrayList<>());
                    }
                    map.get(side).add(user);
                }
            } else if (input.contains("->")) {
                String[] inputArr = input.split(" -> ");
                String user = inputArr[0];
                String side = inputArr[1];

                for (Map.Entry<String, List<String>> entry : map.entrySet()) {
                    for (String element : entry.getValue()) {
                        if (element.equals(user)) {
                            entry.getValue().remove(element);
                            break;
                        }
                    }
                }

                if (map.containsKey(side)) {
                    map.get(side).add(user);
                    System.out.printf("%s joins the %s side!%n", user, side);
                } else {
                    map.put(side, new ArrayList<>());
                    map.get(side).add(user);
                    System.out.printf("%s joins the %s side!%n", user, side);
                }


            }


            input = scanner.nextLine();
        }

        for (Map.Entry<String, List<String>> entry : map.entrySet()) {
            if (entry.getValue().size() != 0) {
                System.out.printf("Side: %s, Members: %d%n", entry.getKey(), entry.getValue().size());
                for (String element : entry.getValue()) {
                    System.out.println("! " + element);
                }
            }
        }


        System.out.println();
    }
}