aer esquiando

    public static void main(String[] args) throws IOException {
        Reader fr = new Reader();
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        int nums = fr.nextInt();
            int[] humanos = new int[200001];
            int[] skis = new int[200001];
        while (nums!= 0){

            for (int i = 0; i < nums; i++) {
                humanos[i] = fr.nextInt();
            }
            for (int i = 0; i < nums; i++) {
                skis[i] = fr.nextInt();
            }
            Arrays.sort(humanos,0,nums);
            Arrays.sort(skis,0,nums);
            long sum = 0;
            for (int i = 0; i < nums; i++) {
                sum += Math.abs(humanos[i]-skis[i]);
            }
            bw.write(sum+"\n");
            nums = fr.nextInt();
        }
        bw.flush();
        bw.close();
    }