#include <CGAL/basic.h>
#include <CGAL/Homogeneous.h>
#include <CGAL/Nef_polyhedron_3.h>
#include <CGAL/IO/Nef_polyhedron_iostream_3.h>
#include <CGAL/IO/Qt_widget_Nef_3.h>
#include <qapplication.h>
int main(int argc, char* argv[]) {
Nef_polyhedron_3 N;
std::cin >> N;
QApplication a(argc, argv);
a.setMainWidget(w);
w->show();
return a.exec();
}