#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;

void IO(){
  ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
}

int main(){
  IO();
  ll n;
  cin>>n;
  vector<ll> a(2*n);
  for(ll i=0;i<2*n;i++){
    cin>>a[i];
  }
  vector<ll> b(2*n);
  for(ll i=0;i<2*n;i++){
    cin>>b[i];
  }
  vector<ll> x(n);
  for(ll i=0;i<n;i++){
    cin>>x[i];
  }
  vector<ll> y(n);
  for(ll i=0;i<n;i++){
    cin>>y[i];
  }
  ll ans=0;
  for(ll i=0;i<n;i++){
    ll tmp=0;
    tmp=max(tmp,a[2*i]+a[2*i+1]+x[i]);
    tmp=max(tmp,a[2*i]+b[2*i+1]+y[i]);
    tmp=max(tmp,b[2*i]+a[2*i+1]+y[i]);
    tmp=max(tmp,b[2*i]+b[2*i+1]+x[i]);
    ans+=tmp;
  }
  cout<<ans<<endl;
}