#include <iostream>
using namespace std;
class problema {
int i;
public:
problema(int j = 5) { i = j; }
void schimba() { i++; }
void afiseaza() { cout << "starea curenta " << i << "\n"; }
};
problema mister1() { return problema(6); }
void mister2(problema& o)
{
o.afiseaza();
o.schimba();
o.afiseaza();
}
int main()
{
mister2(mister1());
return 0;
}