import java.util.*; import java.util.zip.*; import java.util.List; import java.util.regex.*; import java.util.concurrent.*; import java.util.concurrent.atomic.*; import java.util.concurrent.locks.*; import javax.swing.*; import javax.swing.event.*; import javax.swing.text.*; import javax.swing.table.*; import java.io.*; import java.net.*; import java.lang.reflect.*; import java.lang.ref.*; import java.lang.management.*; import java.security.*; import java.security.spec.*; import java.awt.*; import java.awt.event.*; import java.awt.image.*; import javax.imageio.*; import java.math.*; class main { static ColorModel grayColorModel_cache; static ColorModel grayColorModel() { if (grayColorModel_cache == null) grayColorModel_cache = grayColorModel_load(); return grayColorModel_cache; } static ColorModel grayColorModel_load() { return newGrayBufferedImage(1, 1).getColorModel(); } // undefined color, seems to be all black in practice static BufferedImage newGrayBufferedImage(int w, int h) { return new BufferedImage(w, h, BufferedImage.TYPE_BYTE_GRAY); } /*static BufferedImage newGrayBufferedImage(int w, int h, byte[] pixels) { ret byteArrayToGrayBufferedImage(pixels, w, h); }*/ }