## https://yukicoder.me/problems/no/1726


def main():
    N, M = map(int, input().split())
    P = list(map(int, input().split()))
    grasses = {}
    for i in  range(N):
        a, b = map(int, input().split())
        grasses[(a, b)] = P[i]

    balls = []
    for _ in range(M):
        c, d = map(int, input().split())
        balls.append((c, d))
    
    def calc(balls, grasses, keys):
        answer = 0
        vector_map = {}
        for base_ball in balls:

            for (gx, gy), p in grasses.items():
                vx = gx - base_ball[0]
                vy = gy - base_ball[1]
                if (vx, vy) not in vector_map:
                    vector_map[(vx, vy)] = 0
                vector_map[(vx, vy)] += p
        
        ans = max(vector_map.values())
        return max(answer, ans)
    
    keys = list(grasses.keys())
    answer1 = calc(balls, grasses, keys)
    answer2 = calc([(x, -y) for x, y in balls], grasses, keys)
    answer3 = calc([(-x, y) for x, y in balls], grasses, keys)
    answer4 = calc([(-x, -y) for x, y in balls], grasses, keys)
    answer = max(answer1, answer2, answer3, answer4)
    print(answer)

        


if __name__ == '__main__':
    main()