#include <bits/stdc++.h>

 using namespace std;

 struct Point {

     static int cnt;

     Point() {

         ++cnt;

         cout << "There is " << cnt << " item(s)." << endl;

     }

     ~Point() {

         --cnt;

         cout << cnt << " item(s) remains." << endl;

     }

 } ;

 int Point::cnt;

 int main() {

     Point a, b;

     delete (new Point());

     Point c, d;

     return ;

 }

 #include <bits/stdc++.h>

 using namespace std;

 class TheOnlyInstance {

     public:

         static TheOnlyInstance *GetTheOnlyInstance();

         static int Parameter;

     protected:

         TheOnlyInstance() {}

 } ;

 //int TheOnlyInstance::Parameter = 2;

 TheOnlyInstance *TheOnlyInstance::GetTheOnlyInstance() {

     static TheOnlyInstance objTheonlyInstance;

     int Parameter = ;

     return &objTheonlyInstance;

 }

 int main() {

     //cout << TheOnlyInstance::Parameter << endl;

     cout << TheOnlyInstance::GetTheOnlyInstance() << endl;

     cout << TheOnlyInstance::Parameter << endl;

     return ;

 }