#include <iostream>
using namespace std ;

class ABC {
public:
    ABC() : x(0) {
      // do nothing
    } 

    ABC(int y) : x(y) {
       // do nothing
    } 

    void Print() {
       cout << &x << " = " << x << endl ;
    } 
private:
    int x ;
} ;

ABC& foo(int z) {
    ABC *ptr ;
    ABC D(z) ;

    //ptr = new ABC(z) ;
    //cout << "Inside foo: " ;
    //ptr->Print() ;

    // return *ptr ;
    D.Print() ;
    return D ;
}

main() {
   ABC X(4) ;

    X.Print() ;

    X = foo(17) ;

    cout << "In main() X: " ;
    X.Print() ;

    ABC& Y = foo(29) ;
    cout << "In main() Y: " ;
    Y.Print() ;

    foo(35) ;
    cout << "In main() Y: " ;
    Y.Print() ;


}