#include <bits/stdc++.h>
using namespace std;
using lint     = long long;
const lint inf = 1LL << 60;
const lint mod = 1000000007;

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    lint n, q;
    cin >> n >> q;
    vector<pair<lint, lint>> xw(n);
    lint weight = 0;
    lint cost   = 0;
    for (int i = 0; i < n; ++i) {
        cin >> xw[i].first >> xw[i].second;
        weight -= xw[i].second;
        cost += abs(xw[i].first - 1) * xw[i].second;
    }
    sort(xw.begin(), xw.end());

    vector<lint> y(q);
    for (int i = 0; i < q; ++i) {
        cin >> y[i];
    }
    sort(y.begin(), y.end());

    lint pos  = 1;
    lint posx = 0;
    for (int i = 0; i < q; ++i) {
        while (posx < n && xw[posx].first < y[i]) {
            cost += weight * (xw[posx].first - pos);
            weight += xw[posx].second * 2;
            pos = xw[posx].first;
            posx++;
        }
        cout << cost + weight * (y[i] - pos) << "\n";
    }

    return 0;
}