static void Main()
{
Person teacher = new Teacher();
Person person = new Person();
person.Greet();
//Student student = new Student();
Student.SetAge(21);
Student.GoToClasses();
Student.ShowAge();
//Teacher teacher = new Teacher();
Teacher.SetAge(30);
Teacher.ShowAge();
teacher.Greet();
Teacher.Explain();
}
static void Main()
{
//bool debug = false;
Person person = new Person();
person.Greet();
Student student = new Student();
student.setAge(20);
student.Greet();
student.ShowAge();
Teacher teacher = new Teacher();
teacher.setAge(30);
teacher.Greet();
teacher.Explain();
//if (debug)
// Console.ReadLine();
}
