import 4.code.options;
import 4.code.about;

class Header{

public void title(){

String fullTitle = "/b/ - Random";
}

public void menu();

public void catalog();

public void refresh();

}
class Board{
}

class Navigation{
public void page({ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 });
public void backToTop();
public void catalog();
public void refresh();
}