#include <iostream>

using namespace std;


struct MyClass {
  int x;

  MyClass(int i) {
    this->x = i;
    cout << "MyClass::MyClass(" << this->x << ")" << endl;
  }
  ~MyClass() {
    cout << "MyClass::~MyClass(" << this->x << ")" << endl;
  }
};


int main() {
  MyClass a(10);
  {
    MyClass b(20);
  }
  MyClass * c = new MyClass(30);
  delete c;
  cout << "fine del programma" << endl;
}