import java.io.*;
import java.util.*;

public class 田忌赛马 {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(System.out));
        String[] temp;
        int num = 50, res;
        while(num-- >= 0){
            int n = Integer.parseInt(reader.readLine());
            if (n == 0) break;
            res = 0;
            Integer[] t = new Integer[n], g = new Integer[n];

            temp =  reader.readLine().split(" ");
            for (int i = 0; i < n; i++) {
                t[i] = Integer.parseInt(temp[i]);
            }
            temp = reader.readLine().split(" ");
            for (int i = 0; i < n; i++) {
                g[i] = Integer.parseInt(temp[i]);
            }

            Arrays.sort(t, (o1,o2)->(o2-o1));
            Arrays.sort(g, (o1,o2)->(o2-o1));

            int f1 = 0, f2 = 0;
            int s1 = n-1, s2 = n-1;
            while(f1 <= s1){
                if (t[s1] > g[s2]){
                    s1--;s2--;res++;
                }else if (t[s1] < g[s2]){
                    res --;
                    s1--;f2++;
                }else{
                    if (t[f1] > g[f2]){
                        f1++;f2++;res++;
                    }else {
                        res += t[s1].compareTo(g[f2]);
                        s1--;f2++;
                    }
                }
            }
            System.out.println(res*200);
        }
    }
}