text: #pragma once
  #include "Number.h"
  class complexNumber :
  	public Number
  {
  	friend complexNumber operator+(const complexNumber & another1, const complexNumber & another2);
  	friend complexNumber operator*(const complexNumber & another1, const complexNumber & another2);
  public:
  	complexNumber();
  	complexNumber(double, double);
  	void print()const;
  	~complexNumber();
  private:
  	double real;
  	double image;
  };
  
  
  