#include <iostream>
    using namespace std;
    
    // Definition of Class Base
    class Base {
    private:
        int      a;
        int      b;
    public:
        void SetA(int i) {a = i; return;};
        int  GetA() {return a;};
        void SetB(int i) {b = i; return;};
        int  GetB() {return b;};
        void Prints() {cout << "Base " << a << " " << b << endl; return;};
        Base(int i , int j) { cout << "allocating Base " << this <<
                                          " " << i << " " << j << endl;
                                         a = i; b = j; return;};
        Base(Base & base) { cout << "copy constructor B " << this << " " << endl;
                            base.Prints();
                            *this = base;}
        ~Base() {cout << "deallocating Base " << this << endl;};
    
    };
    
    class Derived : public Base {
    private:
        int c;
        int d;
    public:
        void SetC(int i) {c = i; return;};
        int GetC() {return c;};
        void SetD(int i) {d = i; return;};
        int GetD() {return d;};
        void Prints() {cout << "Derived " << c << " " << d << " AND " ;
                       Base::Prints();
                       return;};
        Derived(int i, int j) : Base (i+2, j+2)
                          { cout << "allocating Derived " << this << endl;
                            c = i; d = j; return;};
        Derived(Base base, int i, int j) : Base (base)
                          { cout << "allocating Derived " << this << endl;
                            c = i; d = j; return;};
        Derived(Derived & der): Base(der) { cout << "copy constructor D " << this << " " << endl;    
                                 der.Prints();
                                *this = der;}
        ~Derived() {cout << "deallocating Derived " << this << endl;};
    };
    
    int main()
    {
      cout << endl;
      int i = 1;
      int j = 2;
      Base x (i,j);
      x.Prints();
      Derived y (i,j);
      y.Prints();
      Base h (i+2,j+2);
      h.Prints();
      Derived w (h,i+4,j+4);
      w.Prints();
      h.Prints();
    }