package net.ipipip0129.yukicoder.no714;

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

class Main {

    protected static int MAX_DATA_SIZE = 53;

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        People[] peoples = new People[21];
        IDSystem id_sys = new IDSystem();

        int num = Integer.parseInt(scanner.nextLine());
        for (int i = 0; i < num; i++) {
            String line = scanner.nextLine();
            String[] string_data = line.split(" ");
            if (line.toCharArray()[0] == '0') {
                List<String> data_list = new ArrayList<>(Arrays.asList(string_data).subList(3, 3 + Integer.parseInt(string_data[2])));
                peoples[Integer.parseInt(string_data[1])] = new People(id_sys, data_list);
            } else if (line.toCharArray()[0] == '1') {
                int id = id_sys.getID(string_data[1]);
                int ans = -1;
                for (int j = 1; j < 21; j++) {
                    if (peoples[j] != null) {
                        if (peoples[j].req_process(id)){
                            ans = j;
                            break;
                        }
                    }
                }
                System.out.println(ans);
            } else if (line.toCharArray()[0] == '2') {
                peoples[Integer.parseInt(string_data[1])] = null;
            }
        }
    }
}

class People {
    private int[] req_list = new int[Main.MAX_DATA_SIZE];

    People(IDSystem id_sys, List<String> data_list) {
        for (String data : data_list) {
            req_list[id_sys.getID(data)]++;
        }
    }

    boolean req_process(int id) {
        if (req_list[id] != 0) {
            req_list[id]--;
            return true;
        }
        return false;
    }
}

class IDSystem {
    private static String[] string_data = new String[Main.MAX_DATA_SIZE];
    private static int next_id = 0;

    int getID(String data) {
        for (int i = 0; i < next_id; i++) {
            if (string_data[i].equals(data)) {
                return i;
            }
        }
        string_data[next_id] = data;
        next_id++;
        return next_id - 1;
    }
}