#include <iostream>
 
class A {
        static int counter;
public:
        A();
        int getCounter() { return counter; }
};
 
A::A() {
        counter++;
}
 
int A::counter = 0;

int main()
{
        A obj;
 
        std::cout << obj.getCounter() << std::endl;
 
        return 0;
}