N=int(input())
X=list(map(int,input().split()))
A=list(map(int,input().split()))
result=sum(A)
z=sum(A)
v=[0]*N
for i in range(N):
  v[i]=v[i-1]^A[i]
k=[0]*N
for i in range(N):
  k[i]=k[i-1]+A[i]
dp=[0]*N
for i in range(1,N):
  score=0
  for j in range(i):
    w=k[i]
    if j>0:
      w-=k[j-1]
    u=v[i]
    if j>0:
      u^=v[j-1]
    ans=w-u-(X[i]-X[j])
    if i>0:
      ans+=dp[i-1]
    score=max(score,ans)
  dp[i]=score
print(result-dp[N-1])