LinkedList <Integer> list1 = new LinkedList<>();
        int num = Integer.parseInt(input.nextLine());
        int sum=0;
        int average=0;
        for (int i = 1; i <= num ; i++) {
            list1.add(Integer.parseInt(input.nextLine()));
        }
        for (int i = 0; i < list1.size() ; i++) {
            sum = sum + list1.get(i);
        }
        Collections.sort(list1);
        System.out.println(list1);
        Collections.sort(list1,Collections.reverseOrder());
        System.out.println(list1);
        average = sum / num;

        System.out.println(sum);
        System.out.println(average);