public static void Main()
{
////Write three classes: Student, Course and School. Students should have name and unique number
////(inside the entire School). Name can not be empty and the unique number is between 10000
////and 99999. Each course contains a set of students. Students in a course should be less than
////30 and can join and leave courses.
var course = new Course("Mathematics");
course.Add(new Student("Gogo", "Petrov", 13154));
course.Add(new Student("Ivan", "Ivanov", 13274));
course.Add(new Student("Dimitar", "Asparuhov", 11334));
Console.WriteLine();
}
