#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
using u64 = uint64_t;
void chmax(int& a, int b){ if(a < b) a = b; }

int main(){
    int N, M;
    cin >> N >> M;
    vector<int> P(N);
    for(int& p : P) cin >> p;
    int ans = 0;
    vector<pair<int, int>> A(N), B(M);
    for(auto& [a, b] : A) cin >> a >> b;
    for(auto& [c, d] : B) cin >> c >> d;
    static int cnt[1 << 28] = {};
    for(auto [s, t] : vector<pair<int, int>>{{1, 1}, {1, -1}, {-1, 1}, {-1, -1}}){
        for(int i = 0; i < N; i++){
            auto [a, b] = A[i];
            for(auto [c, d] : B){
                u64 key = c - s * a;
                key ^= key << 13;
                key ^= key >> 7;
                key ^= key << 17;
                key ^= d - t * b;
                chmax(ans, cnt[key & 0xfffffff] += P[i]);
            }
        }
        for(int i = 0; i < N; i++){
            auto [a, b] = A[i];
            for(auto [c, d] : B){
                u64 key = c - s * a;
                key ^= key << 13;
                key ^= key >> 7;
                key ^= key << 17;
                key ^= d - t * b;
                cnt[key & 0xfffffff] -= P[i];
            }
        }
    }
    cout << ans << endl;
}