#include <iostream>
#include <cstdlib>
using namespace std;         //using directive

#include "lib1.h"
#include "lib2.h"
using lib1::x;               //using declaration
using lib2::f;               //using declaration

int main()
{
	cout << x << "\n";       //lib1::x
	cout << lib2::x << "\n"; //override the using declaration

	f();                     //lib2::f
	lib1::f();               //override the using declaration

	lib1::date d1;           //didn't write a using declaration for these
	lib2::date d2;

	return EXIT_SUCCESS;
}