import java.applet.Applet;
import java.awt.Color;
import java.awt.Graphics;
import java.util.Calendar;

public class P8 extends Applet implements Runnable {
    Thread t = null;
    boolean threadSuspended;
    int hours = 0, minutes = 0, seconds = 0;

    public void init() {
        setBackground(Color.white);
    }

    public void start() {
        if (threadSuspended) {
            threadSuspended = false;
            synchronized (this) {
                notify();
            }
        }

        if (t == null) {
            t = new Thread(this);
            threadSuspended = false;
            t.start();
        }
    }

    public void stop() {
        threadSuspended = true;
    }

    public void run() {
        try {
            while (true) {
                Calendar cal = Calendar.getInstance();
                hours = cal.get(Calendar.HOUR_OF_DAY) % 12;
                if (hours == 0)
                    hours += 1;
                minutes = cal.get(Calendar.MINUTE);
                seconds = cal.get(Calendar.SECOND);

                repaint();
                Thread.sleep(1000);
                if (threadSuspended) {
                    synchronized (this) {
                        while (threadSuspended)
                            wait();
                    }
                }
            }
        } catch (InterruptedException e) {
            System.out.println("Process interrupted");
        }
    }

    void drawHand(double angle, int radius, Graphics g) {
        angle -= 0.5 * Math.PI;
        int x = (int) (radius * Math.cos(angle));
        int y = (int) (radius * Math.sin(angle));
        g.drawLine(getWidth() / 2, getHeight() / 2, getWidth() / 2 + x, getHeight() / 2 + y);
    }

    public void paint(Graphics g) {
        int radius = Math.min(getWidth(), getHeight()) / 2 - 10;
        g.setColor(Color.blue);
        g.drawOval(getWidth() / 2 - radius, getHeight() / 2 - radius, 2 * radius, 2 * radius);

        g.setColor(Color.black);
        g.fillOval(getWidth() / 2 - 5, getHeight() / 2 - 5, 10, 10);

        double hourAngle = (hours + minutes / 60.0) * (2 * Math.PI / 12) - 0.5 * Math.PI;
        double minuteAngle = (minutes + seconds / 60.0) * (2 * Math.PI / 60) - 0.5 * Math.PI;
        double secondAngle = (seconds * 2 * Math.PI / 60) - 0.5 * Math.PI;

        g.setColor(Color.black);
        drawHand(hourAngle, radius / 2, g);
        g.setColor(Color.gray);
        drawHand(minuteAngle, (int) (0.8 * radius), g);
        g.setColor(Color.red);
        drawHand(secondAngle, (int) (0.9 * radius), g);
    }
}