#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)
using ll = long long;
#define all(p) p.begin(),p.end()

int main(){
	ll N;
	cin>>N;
	ll ans=0;
	vector<ll> A(2*N),B(2*N),X(N),Y(N);
	rep(i,0,N*2) cin>>A[i];
	rep(i,0,N*2) cin>>B[i];
	rep(i,0,N) cin>>X[i];
	rep(i,0,N) cin>>Y[i];
	rep(i,0,N){
		ll v=0;
		rep(k,0,4){
			ll tmp=0;
			if(k<2) tmp+=A[i*2];
			else tmp+=B[i*2];
			if(k&1) tmp+=A[i*2+1];
			else tmp+=B[i*2+1];
			if(k==1||k==2) tmp+=X[i];
			else tmp+=Y[i];
			v=max(tmp,v);
		}
		ans+=v;
	}
	cout<<ans<<"\n";
}