Read File C++

std::string line;
std::ifstream myfile("data/users.txt");
bool fileExists = myfile.good();
if(fileExists) {
	if (myfile.is_open())
        {
		while (getline(myfile, line))
		{
			std::string name = line.substr(0, line.find(","));
			std::string age = line.substr(line.find(",") + 1, line.length());
			people.push_back(Person(name, std::stoi(age)));
		}
		myfile.close();
	}
}
else std::cout << "Unable to open file";