include

include

include

include

include

using namespace std;

class complex { private: int real; int img;

public:


  void setReal(int r);
  void setImg(int i);
  int getReal();
  int getImg();

  complex operator+(complex c)
  {
    complex temp;
    temp.real=real+c.real;
    temp.img=img+c.img;
    return temp;
  }

friend ostream & operator<<(ostream & out,complex c);  
friend istream & operator>>(istream & in,complex &c);  

};

int main() { complex c1,c2,c3; cin>>c1; cin>>c2;

   c3=c1+c2;
   cout<<c3;

return 0;

} void complex::setReal(int r){real=r;} void complex::setImg(int i){img=i;} int complex::getReal(){return real;} int complex::getImg(){return img;} ostream & operator<<(ostream & out,complex c) { out<>(istream & in,complex &c) { in>>c.real; in.ignore(1,'+'); in.ignore(1,'i'); in>>c.img;

return in;

}