#include <iostream>
using namespace std;
class TEST
{
private :
static int abc;
public :
TEST() {++abc;}
TEST(const TEST& c) {++abc;}
~TEST() {--abc;}
static int ob() {return abc;}
};
int TEST::abc = 0;
int main()
{
TEST a;
for(int i = 0; i < 3; i++)
{
TEST b = a;
cout << TEST::ob()<< endl;
}
cin.get();
return 0;
}