import java.awt.*;
import java.awt.image.*;
import javax.imageio.ImageIO;
import java.io.File;
import java.io.IOException;
class Main {
    static final int X = 16, Y = 16;
    static BufferedImage I = new BufferedImage(X, Y, BufferedImage.TYPE_INT_RGB);
 
    static public void main(String[] args){
        WritableRaster wr = I.getRaster();
        {int[] a = new int[3]; int h = 255;
           for(int i = 0; i<16; ++i) {for(int j = 0; j<16; ++j) {
           if (i<8) if (j<8) {a[0] = h; a[1] = 0; a[2] = 0;}
               else          {a[0] = 0; a[1] = h; a[2] = 0;}
           else if (j<8)     {a[0] = 0; a[1] = 0; a[2] = h;}
               else          {a[0] = h; a[1] = h; a[2] = h;}
           wr.setPixel(i, j, a);}}}
        try {ImageIO.write(I, "png", new File("favicon.ico"));}
              catch (IOException e) {System.err.println("image not saved.");}
   }
}