int countPerson(std::fstream& file) { //tutaj metoda z klasy
        int sum = 0;
        std::string line;

        while(std::getline(file, line)) {
            std::string name;
            int age;

            std::stringstream ss(line);
            ss >> name;
            ss >> age;

            std::cout << "Imię: " << name << std::endl;
            std::cout << "Wiek: " << age << std::endl;
            sum++;
        }
        return sum/2;
    }
};

bool openFile(const char* path, std::fstream& fileClass) {
    fileClass.open(path, std::ios::app | std::ios::in);
    return fileClass.is_open();
}


int main() {
    setlocale(LC_ALL, "PL_pl");
    std::fstream newFile;
    if (openFile("osoby", newFile)) {
        Person JP2;
        JP2.getPersonalities();
        JP2.saveToFile(newFile);

        std::cout << JP2.countPerson(newFile) << std::endl;
    }
}