n = int(input())
x = list(map(int,input().split()))
a = list(map(int,input().split()))
b = [0]; c = [0]; i = s = 0
for v in a: b.append(b[-1]^v); c.append(c[-1]+v)
while i<n:
    m = sum(a); k = i
    for j in range(i,n):
        if x[j]-x[i]+(b[i]^b[j+1])+c[n]-c[j+1]<m:
            m = x[j]-x[i]+(b[i]^b[j+1])+c[n]-c[j+1]; k = j
    s += m-c[n]+c[k+1]; i = k+1
print(s)