a={}
Arr=[]
ans=0
R=[]
n=int(raw_input())
p=map(int,raw_input().split())
x=map(int,raw_input().split())
for j in range(len(x)):
	a[x[j]]=p[j]
for j in range(int(raw_input())):
	l=int(raw_input())
	p=int(raw_input())
for x in range(l-p,l+p+1):
	R.append(x)
for i in a:
	if i in R:
		Arr.append(a[i])
	else:
		ans+=a[i]
print (max(Arr)+ans)