## https://yukicoder.me/problems/no/2656

MAX_VALUE = 10 ** 18

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

    dp = [MAX_VALUE] * (N + 1)
    dp[0] = 0
    for i in range(N):
        a = 0
        for j in reversed(range(i + 1)):
            a ^= A[j]

            cost =  X[i] - X[j]
            dp[i + 1] = min(dp[i + 1], dp[j] + a + cost)
    print(dp[-1])






if __name__ == "__main__":
    main()