n=int(input())
t=list(map(int,input().split()))
p=[]
x=0
for i in range(n):
  x+=t[i]
  p+=[[x,(i+1)%2]]
if p[0][0]==0:
  p=p[1:]
p1=p
n=int(input())
t=list(map(int,input().split()))
p=[]
x=0
for i in range(n):
  x+=t[i]
  p+=[[x,(i+1)%2]]
if p[0][0]==0:
  p=p[1:]
p2=p
t=sorted(set(t for t,f in p1+p2))
p=[]
l=0
for x,f in p1:
  while l<len(t) and t[l]<=x:
    p+=[[t[l],f]]
    l+=1
p1=p
p=[]
l=0
for x,f in p2:
  while l<len(t) and t[l]<=x:
    p+=[[t[l],f]]
    l+=1
p2=p
p=[]
x=0
for i in range(len(t)):
  w=t[i]-x
  f=p1[i][1]*2+p2[i][1]
  if len(p)==0 or p[-1][1]!=f:
    if len(p)>0 and (p[-1][1] in [1,2]) and (f in [1,2]):
      p+=[[0,3]]
    p+=[[0,f]]
  p[-1][0]+=w
  x=t[i]
l=0
while l<len(p):
  if p[l][1] in [1,2]:
    f=p[l][1]
    r=l
    while r+2<len(p) and p[r+1][1]==3 and p[r+2][1]==f:
      r+=2
    p[l:r+1]=[[sum(w for w,f in p[l:r+1]),f]]
    l=r
  l+=1
a=0
l=0
while l<len(p):
  if p[l][1]!=0:
    r=l
    while r+1<len(p) and p[r+1][1]!=0:
      r+=1
    w=[w for w,f in p[l:r+1]]
    f=p[l][1]==3
    m=len(w)
    q=[0]*(m+1)
    for i in range(m):
      for k in range([2,3][(i+f)%2]):
        if i-k>=0:
          q[i]=max(q[i],q[i-k-1]+sum(w[i-k:i+1])**2)
    a+=q[m-1]
    l=r
  l+=1
print(a)