//egg.cpp
#include <iostream>
using namespace std;
class Egg {
  public:
  Egg(int m) { cout << "***"; }
  Egg( ) { cout << "+++"; }
  ~Egg( ) { cout << " broken "; }
  Egg(const Egg& n) { cout <<" copy "; }
  friend ostream& operator<<(ostream&,const Egg&);
  Egg& operator+(const Egg yyy){cout<<" add ";}
  friend Egg& operator*(const Egg&, const Egg&);
};
  ostream& operator<<(ostream&tv,const Egg& haha){
    tv << " egg ";
    return tv;
  }
  Egg& operator*(const Egg& aa, const Egg&bb){
     cout << " mul ";
  }
Egg x;
Egg xxx;
Egg y(38);  //
int main( ) {
   x+y;   // x.operator+(y);
   x*y;   // operator*(x, y);
   cout << "======\n";
   cout << "y=";
   cout << y ;  //  operator<<(cout, y);
   cout << endl; x * xxx;
}