#include <fstream>
#include <cstdlib>
#include <iostream>
#include <string>
using namespace std;


class Point
{
    double* x;
    double* y;
public:
    double* getX() const
    {
        return x;
    }
    double* getY() const
    {
        return y;
    }
    void set(double,double);
    void set(const string& arg);
    void print() const;
    void release()
    {
       delete x;
       x = nullptr;
       delete y;
       y = nullptr;
       cout << "dynamic memory released\n";
    }
};

void Point::set(double arg1,double arg2)
{
    x = new double(arg1);
    y = new double(arg2);
}

void Point::set(const string& arg)
{
    set(stod(arg.substr(0,6)),stod(arg.substr(8)));
}

void Point::print() const
{
    cout << '(' << *x << ',' << *y << ')' << endl;
}


int main()
{
   Point p;
   p.set(4.5,6.7);
   p.print();
   p.release();
   /*
    const string fn("data.txt");
    Point points[24];
    ifstream fin(fn);
    if (!fin)
    {
        cerr << "can't open " << fn << endl;
        exit(1);
    }
    string buffer;
    for (int i = 0; i < 24; i++)
    {
        getline(fin,buffer);
        points[i].set(buffer);
    }
    for (int i = 0; i < 24; i++)
    {
        points[i].print();
        points[i].release();
    }
    */
}