#include <bits/stdc++.h> using namespace std; int main(){ int N; cin >> N; vector<int> A(N * 2); for (int i = 0; i < N * 2; i++){ cin >> A[i]; } vector<int> B(N * 2); for (int i = 0; i < N * 2; i++){ cin >> B[i]; } vector<int> X(N); for (int i = 0; i < N; i++){ cin >> X[i]; } vector<int> Y(N); for (int i = 0; i < N; i++){ cin >> Y[i]; } long long ans = 0; for (int i = 0; i < N; i++){ ans += max({(long long) A[i * 2] + A[i * 2 + 1] + X[i], (long long) A[i * 2] + B[i * 2 + 1] + Y[i], (long long) B[i * 2] + A[i * 2 + 1] + Y[i], (long long) B[i * 2] + B[i * 2 + 1] + X[i]}); } cout << ans << endl; }