class Priorities {
  private PriorityQueue<Student> students = new PriorityQueue<>(1000);

  public List<Student> getStudents(List<String> events) {
    events.forEach(event -> {
      if (event.startsWith("ENTER")) {
        String[] studentDetails = event.split(" ");

        Integer id = Integer.valueOf(studentDetails[3]);
        String name = studentDetails[1];
        Double cgpa = Double.valueOf(studentDetails[2]);

        students.offer(new Student(id, name, cgpa));

      } else if (event.equals("SERVED")) {
        students.poll();
      }
    });
    List<Student> stdLst = new ArrayList<>();
    students.forEach(student -> stdLst.add(student));
//    return new ArrayList<>(students);
    return stdLst;
  }

}
}

class Student implements Comparable {
private Integer id;
private String name;
private Double cgpa;

public Student(Integer id, String name, Double cgpa) {
    this.id = id;
    this.name = name;
    this.cgpa = cgpa;
    }

public Integer getID() {
    return this.id;
    }

public String getName() {
    return this.name;
    }

public Double getCGPA() {
    return this.cgpa;
    }

@Override
public int compareTo(Object obj) {
    Student s = (Student) obj;
  if (!this.getCGPA().equals(s.getCGPA())) {
    return - this.getCGPA().compareTo(s.getCGPA());
  } else {
    if (!this.getName().equals(s.getName())) {
      return this.getName().compareTo(s.getName());
    }
    return this.getID().compareTo(s.getID());
  }
}

    @Override
    public String toString() {
        return "Student{" +
            "id=" + id +
            ", name='" + name + '\'' +
            ", cgpa=" + cgpa +
            '}';
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        Student student = (Student) o;
        return id.equals(student.id) && name.equals(student.name) && cgpa.equals(student.cgpa);
    }

    @Override
    public int hashCode() {
        return Objects.hash(id, name, cgpa);
    }
}