import java.util.concurrent.locks.*;
import java.util.*;
 
class Main {
    public static void main(String[] args){
        Kode kode= new Kode();
        Thread lunte= new Thread(new Bombespill(kode));
        Thread def = new Thread(new Desarmer(kode));
        lunte.start();
        def.start();
        try {
            def.join();
        }
        catch (InterruptedException e){}
        lunte.interrupt();
    }
}
 

 
class Bombespill implements Runnable {
    Kode kode;
    int i = 5;
 
    public Bombespill(Kode k){
        System.out.println("Legg inn armeringskode: ");
        k.addCode(new Scanner(System.in).nextLine());
    }
 
    @Override
    public void run(){
        while (i>0){
            System.out.println(i);
            i--;
            try {
                Thread.sleep(1000);
            }
            catch (InterruptedException e){return;}
        }
        System.out.println("BOOOM!");
        System.exit(0);
    }
}



class Desarmer implements Runnable {
    Scanner sc =  new Scanner(System.in);
    Kode kode;
 
    public Desarmer (Kode kode){
        this.kode = kode;
    }
 
    @Override
    public void run(){
        System.out.println("Skriv: " + kode.getCode() + " for aa desarmere bomben!\nBomben sprenger om 5 sekunder!");
        String inn = sc.nextLine();
        while (!kode.compareCode(inn)){
            System.out.println("Feil input");
            inn = sc.nextLine();
        }
        System.out.println("Phew!");
    }
}
 
 

class Kode{
    private Lock lock = new ReentrantLock();
    private String code;
 
    public boolean compareCode(String s){
        return s.equals(code);
    }
    public void addCode(String c){
        lock.lock();
        try {
            code = c;
        }
        finally {
            lock.unlock();
        }
    }
    public String getCode(){
        return code;
    }
}