#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main() {
  int n;
  cin >> n;
  vector<int> x(n),a(n),b(n+1,0);
  for(int i = 0; i < n; i++) cin >> x[i];
  for(int i = 0; i < n; i++) {
    cin >> a[i];
    b[i+1] = b[i] ^ a[i];
  }
  vector<int> dp(n,1e18);
  for(int i = 0; i < n; i++) {
    dp[i] = x[i]-x[0]+b[i+1];
  }
  for(int i = 1; i < n; i++) {
    for(int j = 0; j < i; j++) dp[i] = min(dp[i],dp[j]+x[i]-x[j+1]+(b[i+1]^b[j+1]));
  }
  cout << dp[n-1] << endl;
}