#include <iostream>
using namespace std;

class X {
public:
  X() { cout << "CONSTR" << endl; }
  X(const X &x) { cout << "COPY" << endl; }
  X &operator=(const X &x) { cout << "ASSIGN" << endl; return *this; }
  ~X() { cout << "DESTR" << endl; }
};

void g(X x) { cout << "g" << endl; }

int main() {
  X u;
  cout << "AAA" << endl;

  X v(u);
  cout << "BBB" << endl;

  X w = v;
  cout << "CCC" << endl;

  v = u;
  cout << "DDD" << endl;

  g(v);
  cout << "EEE" << endl;
}