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();
}
