#include <stdio.h>

int main () {
  int n = 0;
  long long x[5000] = {};
  long long a[5000] = {};
  
  int res = 0;
  
  long long dp[5001] = {};
  long long acc[5001] = {};
  
  res = scanf("%d", &n);
  for (int i = 0; i < n; i++) {
    res = scanf("%lld", x+i);
  }
  for (int i = 0; i < n; i++) {
    res = scanf("%lld", a+i);
    acc[i+1] = acc[i]^a[i];
  }
  
  for (int i = 0; i < n; i++) {
    dp[i+1] = 20000000000000000LL;
  }
  
  for (int i = 0; i < n; i++) {
    for (int j = i+1; j <= n; j++) {
      long long tmp = dp[i]+x[j-1]-x[i]+(acc[j]^acc[i]);
      if (dp[j] > tmp) {
        dp[j] = tmp;
      }
    }
  }
  
  printf("%lld\n", dp[n]);
  return 0;
}