static void Main()
{
School school = new School("PMG");
Class firstClass = new Class('A');
Class secondClass = new Class('B');
Class thirdClass = new Class('V');
Teacher firstTeacher = new Teacher("Janeta", "super!");
Teacher secondTeacher = new Teacher("Gonzo", "stranen");
Student firstStudent = new Student("Ivan", "111213", "razdraznitelen");
Student secondStudent = new Student("Dragan", "111214", "otkachen");
Student thirdStudent = new Student("Petkan", "111215");
Student forthStudent = new Student("Stamat", "111216", "uchenolubiv");
Discipline math = new Discipline("Math", 5, 10);
Discipline history = new Discipline("History", 2, 4);
Discipline physics = new Discipline("Physics", 4, 8);
Discipline english = new Discipline("English", 2, 4);
school.AddClass(firstClass);
school.AddClass(secondClass);
school.AddClass(thirdClass);
firstTeacher.AddDiscipline(math);
firstTeacher.AddDiscipline(english);
secondTeacher.AddDiscipline(history);
secondTeacher.AddDiscipline(physics);
firstClass.AddStudentToAClass(firstStudent);
firstClass.AddStudentToAClass(secondStudent);
secondClass.AddStudentToAClass(thirdStudent);
thirdClass.AddStudentToAClass(forthStudent);
firstClass.AddTeacherToAClass(firstTeacher);
firstClass.AddTeacherToAClass(secondTeacher);
secondClass.AddTeacherToAClass(firstTeacher);
thirdClass.AddTeacherToAClass(secondTeacher);
Console.WriteLine("School named {0} has {1} classes: \n\n {2} {3} {4}", school.Name, school.Classes.Count, firstClass, secondClass, thirdClass);
}