N,M=map(int,input().split())

P=list(map(int,input().split()))

S=[]
for _ in range(N):
    a,b=map(int,input().split())
    S.append((a,b))

T=[]
for j in range(M):
    c,d=map(int,input().split())
    T.append((c,d))
T_set=set(T)


X=0
for s,t in [(1,1),(1,-1),(-1,1),(-1,-1)]:
    E=set()
    for i in range(N):
        a,b=S[i]
        for j in range(M):
            c,d=T[j]

            u=c-s*a; v=d-t*b

            if (u,v) in E:
                continue

            E.add((u,v))
            Y=0
            for k in range(N):
                x,y=S[k]
                if (s*x+u, t*y+v) in T_set:
                    Y+=P[k]

            if X<Y:
                X=Y

print(X)