// DO NOT USE!
#include <iostream>
class Complex {
  double re, im;
public:
  Complex() { re = 0.0; im = 0.0; }
  Complex(double r, double i) { re = r; im = i; }
  double real() const {return re ;}
  double imag() const {return im ;}
  Complex operator+(const Complex z) {  
    Complex ctmp;
    ctmp.re  = re+z.re;
    ctmp.im  = im+z.im;
    return ctmp;
  }
};

int main() {
  Complex a = Complex( 1.2, 3.3 );
  Complex b = Complex( 1.4, 2.4 );
  Complex c ;
  c = a + b;
  std::cout<<c.real()<<"+"<<c.imag()<<" i \n";
  return 0;
}