N = int(input())
X = list(map(int, input().split()))
A = list(map(int, input().split()))

cumXOR = [0]
for i in range(N):
    cumXOR.append(cumXOR[-1]^A[i])

def rangeXOR(l, r):
    return cumXOR[r+1]^cumXOR[l]

INF = 10**18
dp = [INF]*(N+1)
dp[0] = 0
for i in range(N):
    for j in range(i+1):
        left = dp[j]
        if j < i:
            cost = X[i]-X[j]
        else:
            cost = 0
        xor = rangeXOR(j, i)
        dp[i+1] = min(dp[i+1], left+cost+xor)

print(dp[-1])