import java.awt.*;
import java.awt.geom.*;
import java.awt.font.*;
public class Kujund2a extends Canvas{
  public void paint(Graphics alggr){
    Graphics2D g=(Graphics2D)alggr;
    g.setPaint(new GradientPaint(0, 100, Color.yellow,
               100, 100, new Color(0, 200, 100), true
    ));
    g.fillRect(0, 0, getSize().width, getSize().height);
  }
}