#include<bits/stdc++.h>
#include<unistd.h>
#define REP(i,n) for(int i=0,i##_len=(n);i<i##_len;++i)
#define rep(i,a,b) for(int i=int(a);i<int(b);++i)
#define All(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;

vector<ll> gutyoku(ll N,ll Q,vector<pair<ll,ll>> A,vector<ll> X){
    vector<ll> res;
    REP(q,Q){
        ll tmp=0;
        REP(i,N) tmp+=abs(A[i].first-X[q])*A[i].second;
        res.push_back(tmp);
    }
    return res;
}

int main(){
    ll N,Q;cin>>N>>Q;
    vector<pair<ll,ll>> A(N);
    REP(i,N) cin>>A[i].first>>A[i].second;
    vector<ll> X(Q);
    REP(i,Q) cin>>X[i];

    vector<ll> ans=gutyoku(N,Q,A,X);
    REP(i,Q){
        cout<<ans[i]<<endl;
    }
}