import java.awt.*;
import java.awt.event.*;
public class Rekt extends Frame implements MouseListener {
int x,y;


public void mouseReleased(MouseEvent e){}
public void mouseEntered(MouseEvent e){}
public void mouseExited(MouseEvent e){}
public void mouseClicked(MouseEvent e){}
public void mousePressed(MouseEvent e){
    Graphics g=this.getGraphics();
do{
    for(int t=0;t<=150;t++){
    x=t;
    y=t;
    g.drawRect(x,y,25,25);
    g.drawLine(0,0,160,160);
    g.drawLine(160,160,300,160);
     try{
    Thread.sleep(10);}catch(Exception ex){}
     g.clearRect(0,0,300,300); }

    for(int t=150;t<=300;t++){
    x=t;
    y=150;

    g.drawRect(x,y,25,25);
    g.drawLine(0,0,160,160);
    g.drawLine(160,160,300,160);


     try{
    Thread.sleep(10);}catch(Exception ex){}
     g.clearRect(0,0,300,300); }



    
   
       }while(true);

 }
     public static void main(String arg[]){
       Rekt k=new Rekt();
       k.setSize(300,300);
       k.setVisible(true);
       k.addMouseListener(k);



}
}