class Cheerleader implements Runnable {

    String teamName;
    int delay;

    Cheerleader(String teamName, int delay) {
        this.teamName = teamName;
        this.delay = delay;
    }

    public void run() {
        for (int i=0; i<5; i++) {
            try {
                Thread.currentThread().sleep(this.delay);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println("Go " + this.teamName + "!");
        }
    }
    
    public static void main(String args[]) {
        Thread mets = new Thread(new Cheerleader("Mets", 200));
        Thread as = new Thread(new Cheerleader("A's", 200));
        Thread yankees = new Thread(new Cheerleader("Yankees", 2));
        Thread diamondbacks = new Thread(new Cheerleader("Diamondbacks", 2));

        mets.start();
        as.start();
        try {
            mets.join();
            as.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        yankees.start();
        diamondbacks.start();
    }
}