static void Main(string[] args)
{
Console.WriteLine("***Memento Pattern Demo***\n");
Originator originatorObject = new Originator();
Memento mementoObject;
originatorObject.State = "Initial state";
mementoObject = originatorObject.GetTheMemento();
originatorObject.State = "Intermediary state";
originatorObject.RevertToState(mementoObject);
}