#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
signed main() { 
  ios::sync_with_stdio(false); cin.tie(0);
  int n, q;
  cin >> n >> q;
  vector<vector<int>> v;
  for (int i = 0; i < n; i++) {
    int x, w;
    cin >> x >> w;
    v.push_back({x, w, 0});
  }
  v.push_back({0, 0, 0});
  v.push_back({(int) 1e9 + 1, 0, 0});
  for (int i = 0; i < q; i++) {
    int x;
    cin >> x;
    v.push_back({x, i, 1});
  }
  sort(v.begin(), v.end());
  vector<long long> pref((int) v.size());
  vector<long long> ans(q);
  long long w_tot = 0;
  for (int i = 1; i < (int) v.size(); i++) {
    pref[i] = pref[i - 1] + w_tot * (v[i][0] - v[i - 1][0]);
    if (v[i][2] == 0) {
      w_tot += v[i][1];
    } else {
      ans[v[i][1]] += pref[i];
    }
  }
  vector<long long> suff((int) v.size());
  w_tot = 0;
  for (int i = (int) v.size() - 2; i >= 1; i--) {
    suff[i] = suff[i + 1] + w_tot * (v[i + 1][0] - v[i][0]);
    if (v[i][2] == 0) {
      w_tot += v[i][1];
    } else {
      ans[v[i][1]] += suff[i];
    }
  }
  for (auto& p : ans) {
    cout << p << '\n';
  }
  return 0;
}