#include <bits/stdc++.h>

using namespace std;

long long int res[100005];

int main(void)
{
	cin.tie(0);
	ios::sync_with_stdio(false);
	
	int n, q, x, w, t;
	vector <pair<pair<int, int>, int>> v;

	cin >> n >> q;

	for (int i = 0; i < n; i++)
	{
		cin >> x >> w;
		v.push_back(make_pair(make_pair(x, 1), w));
	}

	for (int i = 0; i < q; i++)
	{
		cin >> t;
		v.push_back(make_pair(make_pair(t, 0), i));
	}

	sort(v.begin(), v.end());

	long long int sum = 0;
	long long int X = v[0].first.first;
	long long int val = 0;

	for (int i = 0; i < v.size(); i++)
	{
		long long int x = v[i].first.first;
		int sel = v[i].first.second;
		val += ((x - X) * sum);
		X = x;
		if (sel == 0)
		{
			int idx = v[i].second;
			res[idx] += val;
		}
		else
		{
			sum += v[i].second;
		}
		v[i].first.second = 1 - v[i].first.second;
	}

	sort(v.rbegin(), v.rend());

	sum = 0;
	X = v[0].first.first;
	val = 0;

	for (int i = 0; i < v.size(); i++)
	{
		long long int x = v[i].first.first;
		int sel = v[i].first.second;
		val += ((X - x) * sum);
		X = x;
		if (sel == 1)
		{
			int idx = v[i].second;
			res[idx] += val;
		}
		else
		{
			sum += v[i].second;
		}
		v[i].first.second = 1 - v[i].first.second;
	}

	for (int i = 0; i < q; i++)
	{
		cout << res[i] << '\n';
	}
	return 0;
}