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 bombe = new Thread(new Bombe(kode));
        Thread defuser = new Thread(new Desarmer(kode));

        bombe.start();
        bombe.interrupt();
        //defuser.start();

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

class Bombe implements Runnable {
    private final int START = 50000000;
    private int teller = START;

    private Kode kode;

    public Bombe(Kode k) {
        this.kode = k;
        System.out.println("Legg inn armeringskode: ");
        kode.settInnKode(new Scanner(System.in).nextLine());
    }

    public void run() {
        while (teller > 0) {
            try {
                System.out.println(teller);
                teller--;
                Thread.sleep(1000);
            } catch (InterruptedException e) {return;}
        }
        System.out.println("BOOOOM!");
        System.exit(0);
    }
}

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

    public Desarmer(Kode k) {
        this.kode = k;
    }

    public void run() {
        System.out.println("Desarmer bomben! Koden er " + kode.kode());
        String forsok = input.nextLine();
        while (!kode.erLike(forsok)) {
            System.out.println("Det var feil!");
            forsok = input.nextLine();
        }

        System.out.println("Phew!");
    }
}


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

    public void settInnKode(String k) {
        laas.lock();
        try {
            kode = k;
        } finally {
            laas.unlock();
        }
    }

    public String kode() {
        return kode;
    }

    public boolean erLike(String testKode) {
        return testKode.equals(kode);
    }
}