#include <bits/stdc++.h>

using i32 = std::int32_t;
using u32 = std::uint32_t;
using i64 = std::int64_t;
using u64 = std::uint64_t;
using isize = std::ptrdiff_t;
using usize = std::size_t;

class rep {
    struct Iter {
        usize itr;
        constexpr Iter(const usize pos) noexcept : itr(pos) {}
        constexpr void operator++() noexcept { ++itr; }
        constexpr bool operator!=(const Iter& other) const noexcept { return itr != other.itr; }
        constexpr usize operator*() const noexcept { return itr; }
    };
    const Iter first, last;

  public:
    explicit constexpr rep(const usize first, const usize last) noexcept : first(first), last(std::max(first, last)) {}
    constexpr Iter begin() const noexcept { return first; }
    constexpr Iter end() const noexcept { return last; }
};

template <class T> using Vec = std::vector<T>;

void main_() {
    usize N, M;
    std::cin >> N >> M;
    Vec<i64> P(N);
    for (auto& x : P) {
        std::cin >> x;
    }
    Vec<i64> A(N), B(N), C(M), D(M);
    for (const auto i : rep(0, N)) {
        std::cin >> A[i] >> B[i];
    }
    for (const auto i : rep(0, M)) {
        std::cin >> C[i] >> D[i];
    }
    i64 ans = 0;
    for (const auto step : rep(0, 4)) {
        if (step == 2) {
            for (auto& x : B) {
                x = -x;
            }
        }
        std::map<std::pair<i64, i64>, i64> map;
        for (const auto i : rep(0, N)) {
            for (const auto j : rep(0, M)) {
                map[{C[j] - A[i], D[j] - B[i]}] += P[i];
            }
        }
        for (const auto& [_, p] : map) {
            ans = std::max(ans, p);
        }
        for (auto& x : A) {
            x = -x;
        }
    }
    std::cout << ans << '\n';
}

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    main_();
    return 0;
}