import java.util.Scanner;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class Bombeprogram {
    public static void main(String[] args) {
        Kode kode = new Kode();
        Thread d = new Thread(new Desarmer(kode));
        Thread b = new Thread(new Bombe(kode));

        d.start();
        b.start();

        try {
            d.join();
        } catch (InterruptedException e) {

        }
        b.interrupt();
    }
}

class Kode {
    String kode;
    Lock lock = new ReentrantLock();


    
    boolean sammenlignKode(String kod) {
        return kode.equals(kod);
    }

    void settKode(String kod) {
        lock.lock();
        try {
            kode = kod;
        } finally {
            lock.unlock();
        }
    }

    public String hentKode() {
        return kode;
    }

}

class Bombe implements Runnable{
    Kode kode;
    Bombe(Kode kode) {
        this.kode = kode;
        kode.settKode("hei");
    }

    @Override
    public void run() {
        try {
            for (int i = 0; i < 5; i++) {
                System.out.println("Tikk!");
                Thread.sleep(1000);
            }
        } catch (InterruptedException e) {
            return;
        }
        System.out.println("BOOOOM");
        System.exit(0);
    }
}


class Desarmer implements Runnable{
    Scanner sc = new Scanner(System.in);
    Kode kode;
    
    Desarmer(Kode kod) {
        kode = kod;
    }

    @Override
    public void run() {
        System.out.println("Hvis du ikke skriver inn " + kode.hentKode() + " innen 5 sekunder, sprenger bomben!!!!");
        String inn = sc.nextLine();
        while(!kode.sammenlignKode(inn)) {
            System.out.println("Feil input");
            inn = sc.nextLine();
        }
        System.out.println("Du klarte det!!!");
    }
}