#include <bits/stdc++.h>
using namespace std;
#define modulo 1000000007
#define mod(mod_x) ((((long long)mod_x+modulo))%modulo)
#define Inf 1000000000


int main(){
    
	int N,Q;
	cin>>N>>Q;
	
	vector<pair<long long,long long>> V(N);
	
	
	
	for(int i=0;i<N;i++){
		scanf("%lld %lld",&V[i].first,&V[i].second);
	}
	
	V.emplace_back(-1,0);
	V.emplace_back(1000000001,0);
	
	sort(V.begin(),V.end());
	
	vector<long long> dis(V.size(),0);
	vector<long long> LL(V.size()),RR(V.size());
	long long L = 0,R = 0;
	
	for(int i=0;i<V.size();i++){
		dis[0] += abs(V[0].first - V[i].first)*V[i].second;
		R += V[i].second;
	}
	
	LL[0] = L;
	RR[0] = R;
	
	for(int i=1;i<dis.size();i++){
		long long D = V[i].first-V[i-1].first;
		dis[i] = dis[i-1] + D*(L-R);
		L += V[i].second;
		R -= V[i].second;
		LL[i] = L;
		RR[i] = R;
	}
	
	for(int i=0;i<Q;i++){
		pair<long long,long long> P(0,1000000001);
		scanf("%lld",&P.first);
		auto it = upper_bound(V.begin(),V.end(),P);
		it--;
		
		int ind = distance(V.begin(),it);
		long long ans = dis[ind];
		ans += (P.first-V[ind].first)*(LL[ind]-RR[ind]);
		cout<<ans<<endl;
	}
		
	
	
	
	
	
    return 0;
}