static void Main(string[] args)
{
Console.WriteLine("Test for enroleee");
Person enrolee = new Enrollee("Vladyslav", "Bozhenko", new DateTime(2000, 10, 9));
enrolee.ShowInformation();
Console.WriteLine($"Calculated age: {enrolee.CalculateAge()}");
Console.WriteLine();
Console.WriteLine("Test for student");
Person student = new Student("Noname", "NoSecondName", new DateTime(2000, 10, 9), "ElIT", 2);
student.ShowInformation();
Console.WriteLine($"Calculated age: {student.CalculateAge()}");
Console.WriteLine();
Console.WriteLine("Test for teacher");
Person teacher = new Teacher("Teacher", "Teacherov", new DateTime(1990, 1, 1), "Good teacher", new DateTime(2));
teacher.ShowInformation();
Console.WriteLine($"Calculated age: {teacher.CalculateAge()}");
Console.WriteLine();
}
