#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, s, e) for (int i = (int)(s); i < (int)(e); ++i)

int main() {
	cin.tie(nullptr);
	ios_base::sync_with_stdio(false);
	
	int N;
	cin >> N;
	vector<ll> A(2*N), B(2*N);
	rep(i, 0, 2*N) cin >> A[i];
	rep(i, 0, 2*N) cin >> B[i];
	
	vector<pair<ll, int>> C(2*N);
	rep(i, 0, 2*N) C[i] = {A[i] + B[i], i};
	
	sort(C.begin(), C.end());
	
	ll X = 0, Y = 0;
	rep(i, 0, 2*N) {
		if (i % 2 == 0) X += A[C[i].second];
		else Y += B[C[i].second];
	}
	cout << X - Y << '\n';
}