n,m = map(int,input().split())
P = list(map(int,input().split()))
A,B,C,D = [0]*n,[0]*n,[0]*m,[0]*m

for i in range(n):
    A[i],B[i] = map(int,input().split())
for i in range(m):
    C[i],D[i] = map(int,input().split())

ans = 0
for s,t in ((1,1),(1,-1),(-1,1),(-1,-1)):
    dic = {}
    for i in range(n):
        for j in range(m):
            u = C[j]-s*A[i]
            v = D[j]-t*B[i]
            dic[v+(u<<32)] = dic.get(v+(u<<32),0)+P[i]
    ans = max(ans,max(dic.values()))
print(ans)