#include <iostream>
using namespace std;
 
struct Complex {
  double re, im;
  Complex(double r, double i): re(r), im(i) {}
  friend Complex operator+(const Complex l, const Complex r) {
    return Complex(r.re + l.re, r.im + l.im); // zwracamy nowo utworzony obiekt...
  }
 
  friend ostream& operator<<(ostream& out, const Complex c) {
    return out << "(" << c.re << ", " << c.im << ")";
  }
};
 
int main(void) {
  cout << (Complex(20, 2) + Complex(20, 2));
}

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