n = int(input())
X = list(map(int, input().split()))
A = list(map(int, input().split()))
dp = [1 << 60] * (n + 1)
dp[0] = 0
for i in range(1, n + 1):
    x = 0
    for j in range(i - 1, -1, -1):
        x ^= A[j]
        dp[i] = min(dp[i], dp[j] + x + X[i - 1] - X[j])

print(dp[-1])