#include <iostream>
#include <string>
#include <vector>

class student {
public:
  student(const std::string& first_name,
	  const std::string& last_name)
    : first_name_{first_name}
    , last_name_{last_name}
    , year_{1}
  {}

  student& add_grade(double grade) {
    grades_.push_back(grade);
    return *this;
  }

  friend std::ostream& operator<<(std::ostream& os, const student& s);

private:
  std::string first_name_;
  std::string last_name_;
  int year_;
  std::vector<double> grades_;
};

std::ostream& operator<<(std::ostream& os, const student& s) {
  os << s.first_name_
     << ' '
     << s.last_name_
     << " ("
     << s.year_
     << "):";
  for (auto x : s.grades_) {
    os << ' ' << x;
  }
  return os;
}

int main() {
  student s{"Jan", "Kowalski"};
  double grade;
  while (std::cin >> grade) {
    s.add_grade(grade);
  }
  std::cout << s << std::endl;
}

// Uwaga:
//   std::cout << s
// oznacza:
//   operator<<(std::cout, s)