package MoreExercises.teamworkProject;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {


        Scanner sc = new Scanner(System.in);

        int n = Integer.parseInt(sc.nextLine());
        List<Team> teams = new ArrayList<>();
        List<User> users = new ArrayList<>();
        for (int i = 0; i < n; i++) {
            String input = sc.nextLine();
            String[] tokens = input.split("-");
            User user = new User(tokens[0]);
            Team team = new Team(user, tokens[1]);

            teams.add(team);
            users.add(user);
            team.setUser(user);


            int count = 0;
            for (Team t : teams) {
                if (t.equals(team)) {
                    count++;
//                    System.out.printf("Team %s has been created by %s!", team.getName(), user.getName());
                    if (count == 2) {
                        System.out.printf("Team %s was already created!", team.getName());
                        teams.remove(team);
                        users.remove(user);

                    }
                }
            }
            int count2 = 0;
            for (User u : users) {
                if (u.equals(user)) {
                    count2++;
                    if (count2 == 2) {
                        System.out.printf("%s cannot create another team!", user.getName());
                        teams.remove(team);
                        users.remove(user);
                    }
                }
            }
            if (teams.contains(team)) {
                System.out.printf("Team %s has been created by %s!", team.getName(), user.getName());
                System.out.println();
            }

        }
        String command = sc.nextLine();
        while (!command.equals("end of assignment")) {
            String[] tokens = command.split("->");
            User user = new User(tokens[0]);
            Team team = new Team(user, tokens[1]);

            team.setTeamsUsers(users);
            teams.add(team);

            for (Team t : teams) {
                if (!t.getName().equals(team.getName())) {
                    System.out.printf("Team %s does not exist!", team.getName());
                } else {
                    team.addUser(user);
                }
            }
           for (Team t : teams) {
               if (t.getTeamsUsers().contains(user)) {
                   System.out.printf("Member %s cannot join team %s", user, team);
               }
           }

            command = sc.nextLine();
        }
    }
}