#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, q;
    cin >> n >> q;
    vector<pair<ll,ll>> x(n + q);
    vector<ll> ans(q);
    ll ls = 0, lcnt = 0, rs = 0, rcnt = 0;
    for(int i = 0; i < n; i++){
        cin >> x[i].first >> x[i].second;
        rs += x[i].first * x[i].second;
        rcnt += x[i].second;
    }
    for(int i = 0; i < q; i++){
        cin >> x[i + n].first;
        x[i + n].second = -i;
    }
    sort(x.begin(), x.end());
    for(int i = 0; i < x.size(); i++){
        if(x[i].second <= 0){
            ans[-x[i].second] = x[i].first * lcnt - ls + rs - x[i].first * rcnt;
            continue;
        }
        rs -= x[i].first * x[i].second;
        rcnt -= x[i].second;
        ls += x[i].first * x[i].second;
        lcnt += x[i].second;
    }
    for(auto &&v:ans) cout << v << '\n';
}