import sys
import pypyjit
pypyjit.set_param('max_unroll_recursion=-1')
sys.setrecursionlimit(10**8)
input = sys.stdin.readline
N = int(input())
X = list(map(int, input().split()))
A = list(map(int, input().split()))
dp = [[[0, 0] for _ in range(N)] for _ in range(N)]
for i in range(N):
    dp[i][i][0] = A[i]
for i in range(N):
    for j in range(i+1, N):
        dp[i][j][0] = dp[i][j-1][0] ^ A[j]
        dp[i][j][1] += dp[i][j-1][1] + X[j]-X[j-1]
#print(dp)
ans = sum(A)
INF = 10**18
dp2 = [INF for _ in range(N)]

stack = [(0, 0)]
while stack:
    i, sco = stack.pop()
    for j in range(i, N):
        if sco+dp[i][j][0]+dp[i][j][1] < dp2[j]:
            dp2[j] = sco+dp[i][j][0]+dp[i][j][1]
            stack.append((j+1, dp2[j]))
print(dp2[-1])