import java.applet.*;
import java.awt.*;

public class m0104089_2 extends Applet {

  public void paint (Graphics g){
     int vsize =800;

        int x, y, R, G, B;

      for(x = 0; x < vsize; x++){
            for(y = 0; y < vsize; y++){

                // *** BEGIN YOUR PROGRAM *** //

                /*if( (x / 16) % 2 == 0 ){
                  R = 127 - (x - y)/4;
                  G = 127 - (x - y)/4;
                  B = 127 + (x - y)/2;
				}
				else{
                  R = 255 - y/2;
                  G = 255;
                  B = 255 - y;
				}*/

                if(( (y / 16) % 2 == 0 )&&((x / 16) % 2 == 0 )){
                  R = 255;
                  G = 255;
                  B = 255;
				}
                else if(( (y / 16) % 2 == 1 )&&((x / 16) % 2 == 1 )){
                  R = 0;
                  G = 100;
                  B = 250;
				}
				else{
                  R = 0;
                  G = 200;
                  B = 255;
				}

                // *** END YOUR PROGRAM *** //

           g.setColor(new Color(R,G,B));
           g.fillRect(x,y,1,1);

            }
        }
    }
}