n=int(input())
pop=list(map(int,input().strip().split(' ')))
pos=list(map(int,input().strip().split(' ')))
m=int(input())
clo=list(map(int,input().strip().split(' ')))
r=int(input())
ma=-99999999
l2=pop[:]
for i in range(m):
    #l1=list(range(clo[i]-r,clo[i]+r+1))
    #print(l1)
    su=0
    for j in range(n):
        if(pos[j]>=(clo[i]-r) and pos[j]<=(clo[i]+r)):
            l2[j]=0
            #print(pop[j],j,pop)
            su=su+pop[j]
    #print(su)
    if(su>ma):
        ma=su
print(ma+sum(l2))