import javax.swing.JApplet;
import java.awt.*;

public class Program4 extends JApplet{
    public void paint(Graphics page){

	for (int i=0; i<50; i++){
	    int y = 10*i+5;
	    page.drawLine(250 - (int)Math.sqrt(250*250-(y-250)*(y-250)),y, 
			  250 + (int)Math.sqrt(250*250-(y-250)*(y-250)), y);
	}

    }
}