n = int(input())
pop = list(map(int, input().split()))
loc_t = list(map(int, input().split()))
m = int(input())
loc_c = list(map(int, input().split()))
ran = list(map(int, input().split()))

p2 = [0 for x in range(200)]
for i in range(len(loc_t)):
    p2[loc_t[i] - 1] = pop[i] // 2
    p2[loc_t[i]] = pop[i] // 2

c2 = [0 for x in range(200)]
s = [0 for x in range(m)]
for i in range(len(loc_c)):
    for j in range(ran[i]):
        c2[loc_c[i] - j - 1] = 1
        c2[loc_c[i] + j] = 1
        s[i] += p2[loc_c[i] - j - 1]
        s[i] += p2[loc_c[i] + j]

ans = max(s)
for i in range(200):
    if not c2[i]:
        ans += p2[i]
print(ans)