static void Main(string[] args)
{
Person person = new Person();
person.Name = "Vince";
person.Introduce("Vanya");
person.Orders.Add(new Orders());
person.Orders.Add(new Orders());
Console.WriteLine("The number of purchases that user did " + person.Orders.Count);
var person1 = Person.Parse("Vince");
person1.Introduce("Vanya");
person1.ShowYears(1999, 2000, 2005, 2010);
int age;
Person.Initialize(out age);
var person2 = new Person("Vanya", age);
Console.WriteLine(person2);
}
