import java.awt.*;
public class Porkavaken{
  public static void main(String argumendid[]) throws Exception{
    int x=0, y=0, i=4;
    Frame f=new Frame("Esimene");
    f.setSize(200, 200);
    f.setVisible(true);
	while(i<5){
    while(y<550){
      f.setLocation(x, y);
      Thread.sleep(100);
      y=y+5;
    }
     while(y>0){
      f.setLocation(x, y);
      Thread.sleep(100);
      y=y-5;
   }
i=4;
} 
  }
}