def process_student_list(students):
  students_ranking = sorted(
    students, key=lambda x: x.passed*11 - x.failed*5 - x.years*2
  )

  for student in students_ranking:
    print(
      "이름: {0}, 점수: {1}".format(
        student.name,
        (student.passed*11 - student.failed*5 - student.years*2)
      )
    )