#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
#include <CGAL/Nef_polyhedron_3.h>
#include <CGAL/IO/Nef_polyhedron_iostream_3.h>
#include <CGAL/minkowski_sum_3.h>
#include <fstream>
#include <iostream>
int main() {
Nef_polyhedron N0, N1;
std::ifstream in("cube.nef3");
in >> N0;
std::cin >> N1;
}