from itertools import accumulate

INF = float("INF")
N = int(input())
X = list(map(int, input().split()))
A = list(map(int, input().split()))
wA = list(accumulate(A, func=lambda a, b: a^b, initial=0))

dp = [INF] * (N+1)
dp[N] = 0
for i in range(N-1, -1, -1):
   cands = []
   for j in range(i+1, N+1):
      S = wA[j]^wA[i]
      score = S + dp[j]
      score += X[j-1] - X[i]
      cands.append(score)
   dp[i] = min(cands)

ans = dp[0]
print(ans)