static void Main(string[] args) { Teacher First_teacher = new Teacher("Geogri", "Gospodino", 19, 1, "Chemistry"); First_teacher.Hello(); Console.WriteLine(); First_teacher.PrintTeacherInfo(); Console.WriteLine(); First_teacher.CheckHomework(); Console.WriteLine(); First_teacher.Goodbye(); Console.WriteLine(); SchoolTeacher First_Sc_teacher = new SchoolTeacher("Plamen", "Ivanov", 23, 3, "Math", "11A,12G"); First_Sc_teacher.PrintSchTeacherInfo(); Console.WriteLine(); First_Sc_teacher.CheckHomework(); Console.WriteLine(); First_Sc_teacher.Classes(); Console.WriteLine(); First_Sc_teacher.Animator(); Console.WriteLine(); Proffesor First_Proffesor = new Proffesor("Ivan", "Kirilov", 43, 7, "SU", "Doctor"); First_Proffesor.PrintProfessorInfo(); Console.WriteLine(); First_Proffesor.SayTitle(); Console.WriteLine(); First_Proffesor.CheckHomework(); Console.WriteLine(); First_Proffesor.Exams(); Console.WriteLine(); Lecturer First_lecturer = new Lecturer("Stefan", "Chikalov", 47, 24, "Technical University-Sofia"); First_lecturer.Hello(); Console.WriteLine(); First_lecturer.PrintLecturerInfo(); Console.WriteLine(); First_lecturer.CheckHomework(); Console.WriteLine(); First_lecturer.Practice(); Console.WriteLine(); CollegeTeacher First_coll_teacher = new CollegeTeacher("Martin", "Georgiev", 34, 14, "OOP", "Software college"); First_coll_teacher.PrintColTeacherInfo(); Console.WriteLine(); First_coll_teacher.CheckHomework(); Console.WriteLine(); Assistant As1 = new Assistant("Bistra", "Toteva", 29, 11, "MU", "headassistant"); As1.SayName(); Console.WriteLine(); As1.PrintAssistantInfo(); Console.WriteLine(); As1.ScienceArticles(); Console.WriteLine(); As1.CheckHomework(); Console.WriteLine(); As1.CheckExams(); }