#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 i64 = int64_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;
    unordered_map<uint64_t, int> cnt;
    for(auto [s, t] : vector<pair<int, int>>{{1, 1}, {1, -1}, {-1, 1}, {-1, -1}}){
        cnt.clear();
        for(int i = 0; i < N; i++){
            auto [a, b] = A[i];
            for(auto [c, d] : B) cnt[uint64_t(c - s * a) << 32 ^ (d - t * b)] += P[i];
        }
        for(auto [key, val] : cnt) chmax(ans, val);
    }
    cout << ans << endl;
}