import sys
input = sys.stdin.readline
n=list(map(int,input().split()))
a=list(map(int,input().split()))
b=list(map(int,input().split()))
c=list(map(int,input().split()))
tota=0
totb=0
totc=0
numa=0
numb=0
numc=0
A=[]
for i in a:
  if i>=0:
    tota+=i
    numa+=1
  else:
    A.append(i)
B=[]
for i in b:
  if i>=0:
    totb+=i
    numb+=1
  else:
    B.append(i)
C=[]
for i in c:
  if i>=0:
    totc+=i
    numc+=1
  else:
    C.append(i)
A.sort()
B.sort()
C.sort()
ans=tota*numb+totb*numc+totc*numa
while True:
  flg=False
  if A:
    a=A[-1]
    tmp=(tota+a)*numb+totb*numc+totc*(numa+1)
    if ans<=tmp:
      ans=tmp
      tota+=a
      numa+=1
      flg=True
      A.pop()
  if B:
    b=B[-1]
    tmp=(tota)*(numb+1)+(totb+b)*numc+totc*(numa)
    if ans<=tmp:
      ans=tmp
      totb+=b
      numb+=1
      flg=True
      B.pop()  
  if C:
    c=C[-1]
    tmp=(tota)*numb+totb*(numc+1)+(totc+c)*(numa)
    if ans<=tmp:
      ans=tmp
      totc+=c
      numc+=1
      flg=True
      C.pop()
  if not flg:
    break
print(ans)