public static void bonAppetit(List<Integer> bill, int k, int b) {
        int actualPrice;
        int current=bill.get(0);
        for(int i=1; i<bill.size(); i++)
        {
            if(i==k)
            {
                bill.remove(k);
            }
            current+=bill.get(i);
        }
        actualPrice=current/2;
        if(actualPrice==b)
        {
            System.out.println("Bon Appetit");
        }
        else {
            System.out.println(b-actualPrice+" ");
        }

    }