static void Main(string[] args)
{
Age magoo = new Age(14, 10, 2000);
Age billy = new Age(21, 5, 1980);
magoo.Info();
magoo.SetDay(4);
magoo.SetMonth(12);
magoo.SetYear(1999);
magoo.Info();
billy.Info();
//billy.ResetAge();
billy.Info();
billy.ChangeAge(5, -3, 7);
billy.Info();
}