package endsem; import java.awt.print.Printable; import java.util.*;

public class random {

public static void main(String[] args) {
    // TODO Auto-generated method stub
    Integer x =14;
    first task= new first(x);
    Thread t1=new Thread(task);
    t1.start();
    try{
        t1.join();
        System.out.println(task.getval());
    }
    catch(Exception e){
        System.out.println("Exception");
    }
}

}

class first implements Runnable{

private static Integer a = null;
private static Integer b = null;
first(Integer a){
    a=this.a;
}

@Override
public void run() {
    // TODO Auto-generated method stub
    if(a%7==0){
        second task1= new second(a);
        Thread t2=new Thread(task1);
        t2.start();
        try{
            t2.sleep(5000);
            t2.join();
            b=task1.getval();
        }
        catch(Exception e){
            System.out.println("Exception");
        }
    }
    else{
        third task2= new third(a);
        Thread t3=new Thread(task2);
        t3.start();
        try{
            t3.sleep(5000);
            t3.join();
            b=task2.getval();
        }
        catch(Exception e){
            System.out.println("Exception");
        }
    }
}
public int getval(){
    return b;
}

}

class second implements Runnable{

private static Integer a = null;
second(Integer a){
    a=this.a;
}

public void run(){
    a=2*a;
}

public int getval(){
    return a;
}

}

class third implements Runnable{

private static Integer a = null;
third(Integer a){
    a=this.a;
}

public void run(){
    a= 3*a;
}

public int getval(){
    return a;
}

}