#include <iostream>
#include <cstdlib>
using namespace std;
class dinamicna
{
  	int *p;
public:
  	dinamicna(int i);
  	~dinamicna()	   { delete p; cout << "Osloboduvanje \n";  }
  	int zemi() 	{ return *p; }
};
dinamicna::dinamicna(int i)
{
  	cout << "Zavzemanje\n";
  	p = new int;
  	if(!p)
  	{
		cout << "Greska pri alokacija\n";
		exit(1);
  	}
  	*p = i;
}

// Vrakanje negativna vrednost za  *ob.p
 
int neg(dinamicna ob)
{
  	return -ob.zemi();
}
main()
{
  	dinamicna o(-10);
  	cout << o.zemi() << "\n";
  	cout << neg(o) << "\n";
  	dinamicna o2(20);
  	cout << o2.zemi() << "\n";
  	cout << neg(o2) << "\n";
  	cout << o.zemi() << "\n";
  	cout << neg(o) << "\n";
}