public static void Main()
{
var highQualityCodeStudents = new List<Student>();
Student ivan = new Student("Ivan", "Petrov", 20);
Student maria = new Student("Maria", "Georgieva", 18);
highQualityCodeStudents.Add(ivan);
highQualityCodeStudents.Add(maria);
var highQualityCodeTeachers = new List<Teacher>();
Teacher kenov = new Teacher("Ivaylo", "Kenov", 1337);
Teacher kostov = new Teacher("Nikolay", "Kostov", 666);
highQualityCodeTeachers.Add(kenov);
highQualityCodeTeachers.Add(kostov);
LocalCourse highQualityCode = new LocalCourse("High quality code", highQualityCodeTeachers, highQualityCodeStudents, "Ultimate");
Console.WriteLine(highQualityCode);
var systemAdministrationStudents = new List<Student>();
systemAdministrationStudents.Add(ivan);
systemAdministrationStudents.Add(maria);
var systemAdministrationTeachers = new List<Teacher>();
Teacher krokodila = new Teacher("Vasil", "Kolev", 1337);
Teacher hackman = new Teacher("Marian", "Marinov", 666);
systemAdministrationTeachers.Add(krokodila);
systemAdministrationTeachers.Add(hackman);
OffsiteCourse systemAdministration = new OffsiteCourse("System administration", systemAdministrationTeachers, systemAdministrationStudents, "Durankulak");
Console.WriteLine(systemAdministration);
}