#include <bits/stdc++.h>
using namespace std;
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
template<int mod>istream &operator>>(istream &is,static_modint<mod> &a){long long b;is>>b;a=b;return is;}
istream &operator>>(istream &is,modint &a){long long b;cin>>b;a=b;return is;}
#endif
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) static_cast<void>(0)
#define debugg(...) static_cast<void>(0)
template<typename T1,typename T2>ostream &operator<<(ostream &os,const pair<T1,T2>&p){os<<p.first<<' '<<p.second;return os;}
#endif
using ll=long long;
using ull=unsigned long long;
using P=pair<ll,ll>;
template<typename T>using minque=priority_queue<T,vector<T>,greater<T>>;
template<typename T>bool chmax(T &a,const T &b){return (a<b?(a=b,true):false);}
template<typename T>bool chmin(T &a,const T &b){return (a>b?(a=b,true):false);}
template<typename T1,typename T2>istream &operator>>(istream &is,pair<T1,T2>&p){is>>p.first>>p.second;return is;}
template<typename T>istream &operator>>(istream &is,vector<T> &a){for(auto &i:a)is>>i;return is;}
template<typename T1,typename T2>void operator++(pair<T1,T2>&a,int n){a.first++,a.second++;}
template<typename T1,typename T2>void operator--(pair<T1,T2>&a,int n){a.first--,a.second--;}
template<typename T>void operator++(vector<T>&a,int n){for(auto &i:a)i++;}
template<typename T>void operator--(vector<T>&a,int n){for(auto &i:a)i--;}
#define reps(i,a,n) for(int i=(a);i<(n);i++)
#define rep(i,n) reps(i,0,n)
#define all(x) x.begin(),x.end()
#define pcnt(x) __builtin_popcountll(x)
ll myceil(ll a,ll b){return (a+b-1)/b;}
template<typename T,size_t n,size_t id=0>
auto vec(const int (&d)[n],const T &init=T()){
  if constexpr (id<n)return vector(d[id],vec<T,n,id+1>(d,init));
  else return init;
}
template<typename T>
T bs(T ok,T ng,const auto &judge){
  static_assert(is_integral<T>::value||is_floating_point<T>::value);
  static_assert(is_convertible_v<decltype(judge),function<bool(T)>>);
  if constexpr(is_integral<T>::value){
    while(abs(ok-ng)>1){
      T mid=(ok>>1)+(ng>>1)+(ok&ng&1);
      (judge(mid)?ok:ng)=mid;
    }
    return ok;
  }
  else{
    for(int i=0;i<120;i++){
      T mid=(ok+ng)/2;
      (judge(mid)?ok:ng)=mid;
    }
    return ok;
  }
}
void SOLVE();
int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  cout<<fixed<<setprecision(16);
  #ifdef LOCAL
  clock_t start=clock();
  #endif
  int testcase=1;
  //cin>>testcase;
  for(int i=0;i<testcase;i++){
    SOLVE();
  }
  #ifdef LOCAL
  cerr<<"time:";
  cerr<<(clock()-start)/1000;
  cerr<<"ms\n";
  #endif
}
struct median_min{
  deque<ll>left,right;
  ll sumleft,sumright;
  median_min():sumleft(0),sumright(0){}
  void eval(){
    if(left.size()>=right.size()+2){
      right.push_front(left.back());
      sumright+=left.back();
      sumleft-=left.back();
      left.pop_back();
    }
  }
  void add(ll x){
    left.push_front(x);
    sumleft+=x;
    eval();
  }
  ll getmin()const{
    return sumright-sumleft+(left.size()!=right.size()?left.back():0);
  }
};
void SOLVE(){
  int n;
  cin>>n;
  vector<ll>x(n),a(n);
  cin>>x>>a;
  vector<ll>dp(n+1,1e18);
  dp[0]=0;
  reps(i,1,n+1){
    ll xorsum=0;
    median_min mm;
    for(int j=i-1;j>=0;j--){
      xorsum^=a[j];
      mm.add(x[j]);
      chmin(dp[i],dp[j]+xorsum+mm.getmin());
    }
  }
  cout<<dp[n]<<endl;
}