#include <bits/stdc++.h>
using namespace std;
#define all(v) (v).begin(),(v).end()
#define pb(a) push_back(a)
#define rep(i, n) for(int i=0;i<n;i++)
#define foa(e, v) for(auto& e : v)
using ll = long long;
const ll MOD7 = 1000000007, MOD998 = 998244353, INF = (1LL << 60);
#define dout(a) cout<<fixed<<setprecision(10)<<a<<endl;

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll n; cin >> n;
    vector<pair<ll, ll>> v;
    vector<ll> a(n * 2), b(n * 2);
    rep(i, n * 2) cin >> a[i];
    rep(i, n * 2) {
        cin >> b[i];
        v.push_back({a[i] + b[i], b[i]});
    }
    sort(all(v));
    ll sum = 0;
    rep(i, n) {
        sum += v[i * 2].first - v[i * 2].second;
        sum -= v[i * 2 + 1].second;
    } 
    cout << sum << endl;
    return 0;
}