n,m=map(int,input().split())
p=list(map(int,input().split()))
c=[tuple(map(int,input().split())) for i in range(n)]
b=[tuple(map(int,input().split())) for i in range(m)]
L=10
d={}
for fx in [1,-1]:
  for fy in [1,-1]:
    for i in range(n):
      for j in range(m):
        cx,cy=c[i]
        bx,by=b[j]
        v=0
        v+=(bx-cx*fx)+10**L
        v*=10**(L+1)
        v+=(by-cy*fy)+10**L
        v*=2
        v+=fx+1
        v*=2
        v+=fy+1
        if v not in d:
          d[v]=0
        d[v]+=p[i]
print(max([d[v] for v in d]+[0]))