#include <bits/stdc++.h>
using namespace std;

int main() {
    int n; cin >> n;
    vector<pair<int, int>> a(n);
    vector<int> b(n);
    for(int i = 0; i < n; ++i) {
        int x; cin >> x;
        a[i] = make_pair(i, x);
    }
    for(auto &e : b) cin >> e;
    sort(a.begin(), a.end());
    int mx_score = -1, mx_cnt = 0;
    do {
        int score = 0;
        for(int i = 0; i < n; ++i) {
            score += abs(a[i].second - b[i]);
        }
        if(mx_score < score) {
            mx_score = score;
            mx_cnt = 1;
        } else if(mx_score == score) {
            mx_cnt++;
        }
    } while(next_permutation(a.begin(), a.end()));
    cout << mx_cnt << '\n';
    return 0;
}