#include <iostream>

using namespace std;

class Complex {
	private:
		double re, im;

	public:
		Complex( double r, double i ) : re( r ), im( i ) {
			// empty constructor
		}

		double real() const {
			if ( this == 0 ) {
				return 0.0;
			} else {
				return re;
			}
		}

		double imag() const {
			return im;
		}
};

int main() {
	Complex * z = new Complex( 3, 5 );

	cout << "Re(z) = " << z -> real() << endl;
	cout << "Im(z) = " << z -> imag() << endl;

	delete z;
	z = 0;

	cout << "Re(z) = " << z -> real() << endl;
	cout << "Im(z) = " << z -> imag() << endl;

	return 0;
}