#include <iostream>
#include <math.h>

using namespace std;

class Vector {
	double x,y;
  public:
    Vector(double,double);
    Vector();
	void print();
	double abs();
};

Vector::Vector(double x, double y) {
	this->x = x;
	this->y = y;
}

Vector::Vector() {
	cin >> x >> y;
}

void Vector::print() {
	cout << "(" << x << "," << y << ")";
}

double Vector::abs() {
	return sqrt(x*x+y*y);
}
class ColorVector:Vector{
	double x,y;
	char * szin;
	public:
	ColorVector(double,double,char *);
	void print();
};
ColorVector::ColorVector(double x,double y,char * szin):Vector(x,y){
this->szin=szin;

}
void ColorVector::print(){
	cout<<"("<<x<<","<<y<<")["<<szin<<"]";
}
int main(int argc, char** argv) {
	/*Vector *v = new Vector();
	v->print();
	cout << v->abs();
	delete v;
	//Vector v;
	//v.print();
	//cout << v.abs();*/
	cout<< std::endl;
	ColorVector *k=new ColorVector(1,2,"piros");
	k->print();
	delete k;
	return 0;
}