#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;
}