static void Main(string[] args)
{
MallardDuck mallardDuck = new MallardDuck();
PlayWithDuck(mallardDuck);
RedheadDuck redheadDuck = new RedheadDuck();
PlayWithDuck(redheadDuck);
RubberDuck rubberDuck = new RubberDuck();
PlayWithDuck(rubberDuck);
DecoyDuck decoyDuck = new DecoyDuck();
PlayWithDuck(decoyDuck);
ModelDuck modelDuck = new ModelDuck();
PlayWithDuck(modelDuck);
modelDuck.SetFly(FlyBehavior.FlyWithWings());
PlayWithDuck(modelDuck);
}