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)]
bs=set(b)
g=0
for fx in [1,-1]:
  for fy in [1,-1]:
    for cox,coy in c:
      for box,boy in b:
        g=max(g,sum(p[i]*(((c[i][0]-cox)*fx+box,(c[i][1]-coy)*fy+boy) in bs) for i in range(n)))
print(g)