public static void Main()
{
School school = new School("Iconomics High School");
Class classA = new Class("12 - A");
Class classB = new Class("12 - B");
Class classV = new Class("12 - V");
Teacher firstTeacher = new Teacher("G-ja Angelova");
Teacher secondTeacher = new Teacher("G-n Pavlov");
Teacher thirdTeacher = new Teacher("G-n Marinov");
Teacher fourthTeacher = new Teacher("G-ja Becheva");
Student petq = new Student("Petq Styanova", 25);
Student gosho = new Student("Georgi Georgiev", 8);
Student ani = new Student("Angelina Hristoskova", 1);
Student sashka = new Student("Sashka Spasova", 27);
Student veska = new Student("Veska Vasileva", 5);
Student didi = new Student("Diana Prodanova", 10);
Discipline math = new Discipline("Matematic", 3, 5);
Discipline micro = new Discipline("Microeconomic", 2, 2);
Discipline manag = new Discipline("Management", 3, 1);
Discipline market = new Discipline("Marketing", 4, 1);
school.AddClass(classA);
school.AddClass(classB);
school.AddClass(classV);
classA.AddStudentInClass(petq);
classA.AddStudentInClass(gosho);
classB.AddStudentInClass(ani);
classB.AddStudentInClass(sashka);
classV.AddStudentInClass(veska);
classV.AddStudentInClass(didi);
classA.AddTeacherInClass(firstTeacher);
classA.AddTeacherInClass(secondTeacher);
classB.AddTeacherInClass(thirdTeacher);
classV.AddTeacherInClass(fourthTeacher);
firstTeacher.AddDiscipline(math);
secondTeacher.AddDiscipline(micro);
thirdTeacher.AddDiscipline(manag);
fourthTeacher.AddDiscipline(market);
Console.WriteLine(school);
}