class color3 {
  public static void main(String args[]) {
    for(int i=0; i<MAX; i++)
      color3.printColor(i);
  }

  public static void printColor(int color) {
    System.out.println(colors[color]);
  }

  public static final String colors[]={"red", "green", "blue"};

  public static final int RED=0;
  public static final int GREEN=1;
  public static final int BLUE=2;
  public static final int MAX=3;

  public int color;
}