import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
public class mm extends JFrame implements MouseListener {
	int left=-1,right=-1;
	int x=-1,y=-1,d=20;
	JPanel jp=new JPanel();
	public mm(){
		jp.addMouseListener(this);
		this.setSize(400,300);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.add(jp);
		this.setVisible(true);
	}
	public void paint(Graphics g){
		if(left==1){
			d=d+10;
			g.drawOval(x,y,d,d);
		}
		if(right==1){
			d=d-10;
			g.drawOval(x,y,d,d);
		}
	}
	public void mousePressed(MouseEvent e){
		x=e.getX();
		y=e.getY();
		if(e.getButton()==MouseEvent.BUTTON1){
			left=1;
			right=-1;
			repaint();
		}
		if(e.getButton()==MouseEvent.BUTTON3){
			left=-1;
			right=1;
			repaint();
		}
	}
public void mouseReleased(MouseEvent e){
}
public void mouseEntered(MouseEvent e){
}
public void mouseExited(MouseEvent e){
}
public void mouseClicked(MouseEvent e){
}
public static void main(String args[]){
	new mm();
}
}
