#include <iostream>

using namespace std;

class rectangle{
public:
    rectangle(){side_x=0;side_y=0;}
    rectangle(double in1,double in2){side_x=in1;side_y=in2;}
    void set_x(double in){side_x=in;}
    double get_x(){return side_x;}
    void set_y(double in){side_y=in;}
    double get_y(){return side_y;}
    double area()const{return side_x*side_y;}
    rectangle operator + (const rectangle &rec);
    friend rectangle operator * (const rectangle &rec1,const rectangle &rec2);
    void operator ++ ();
    void operator ++ (int);
    rectangle& operator () (double);
    rectangle& operator ! ();
    bool operator > (const rectangle &rec){
        if (this->area() > rec.area()){
            return true;
        }else {
            return false;
        }
    }
        bool operator < (const rectangle &rec){
        if (this->area() < rec.area()){
            return true;
        }else {
            return false;
        }
    }
private:
    double side_x,side_y;
};
rectangle rectangle::operator + (const rectangle &rec){
    rectangle temp;
    temp.side_x = side_x+rec.side_x;
    temp.side_y = side_y+rec.side_y;
    return temp;
}
rectangle operator * (const rectangle &rec1,const rectangle &rec2){
    rectangle temp;
    temp.side_x = rec1.side_x*rec2.side_x;
    temp.side_y = rec1.side_y*rec2.side_y;
    return temp;
}
rectangle& rectangle::operator () (double in){
    this->side_x*=in;
    this->side_y*=in;
    return *this;
}
rectangle& rectangle::operator ! (){
    double temp = this->side_x;
    this->side_x=this->side_y;
    this->side_y=temp;
    return *this;
}
void rectangle::operator ++ (){
    side_x++;
    side_y++;
}

void rectangle::operator ++ (int){
    side_x++;
    side_y++;
}
int main(){
    rectangle rec1(3,4),rec2(2,3),rec3,rec4;
    cout<<rec1.get_x()<<","<<rec1.get_y()<<endl;
    ++rec1;
    cout<<rec1.get_x()<<","<<rec1.get_y()<<endl;
    rec1++;
    cout<<rec1.get_x()<<","<<rec1.get_y()<<endl;
    !rec1;
    cout<<rec1.get_x()<<","<<rec1.get_y()<<endl;
    if (rec1 > rec2){cout<<"true"<<endl;}else {cout<<"false"<<endl;}
    if (rec1 < rec2){cout<<"true"<<endl;}else {cout<<"false"<<endl;}


    return 0;
}