public class F{
    public static void main(String[] args){
	for (int i = 0 ; i < 200 ; i+= 20)
	    for (int j = 0 ; j < 150 ; j+=10)
		for (int k = 0 ; k < 150 ; k+=30)
		    System.out.print(i+"px "+j+"px "+k+"px #616161,\n");
    }
}