int main() {
Barbecuer* boy = new Barbecuer();
Command* com1 = new BakeMuttonCommand(boy);
Command* com2 = new BakeMuttonCommand(boy);
Command* com3 = new BakeChickenWingCommand(boy);
Waiter* waiter = new Waiter();
waiter->setOrder(com1);
waiter->setOrder(com2);
waiter->setOrder(com3);
waiter->excute();
waiter->cancelOrder(com2);
waiter->excute();
return 0;
}
