import java.applet.*;
import java.awt.*;
import java.util.*;

public class Test extends Applet {
	public void paint(Graphics page) {
		Random gen = new Random();
		for (;;) {
			page.setColor(Color.black);
			page.fillRect(gen.nextInt(1301), gen.nextInt(801), 10, 10);
			page.setColor(Color.white);
			page.fillRect(gen.nextInt(1301), gen.nextInt(801), 10, 10);
			page.setColor(Color.red);
			page.fillRect(gen.nextInt(1301), gen.nextInt(801), 10, 10);
			page.setColor(Color.green);
			page.fillRect(gen.nextInt(1301), gen.nextInt(801), 10, 10);
		}
	}
}