#include "lib0_class4.hpp" // the class header
#include "lib0_class1.hpp" // local class header
#include "lib0_class2.hpp" // local class header
#include "lib0_class3.hpp" // local class header
#include "lib0_class4.hpp" // local class header
#include "lib0_class0.hpp" // local class header

#include <iostream>

int main ()
{
  std::cout << "Hello app0" << std::endl;
}