import ............

public class OrderSystem {
	private static Scanner sc;
	private static LinkedList orders;
	private static int nextGuestID = 9000;
	
    public static void main(String[] args) {
	............    	

    }
    
    public static void inputOrder() throws ............ {
    	
		............	   	
    }
    
    public static void adminFunc() ............ {
     	
		............
    		 	
    }
    		
    
}