#include <bits/stdc++.h>
#include <string>
#define ft first
#define sc second
#define pt(sth) cout << sth << "\n"
#define chmax(a, b) a=max(a, b)
#define chmin(a, b) a=min(a, b)
#define moC(a, s, b) a=((a)s(b)+MOD)%MOD
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
static const ll INF=1e18;
static const ll MAX=101010;
static const ll MOD=1e9+7;


/*
 for(i=0; i<N; i++)
   cin >> a[i];
*/

ll N, Q;
pll p[MAX];

int main(void) {
  ll i, j, k;
  
  cin >> N >> Q;
  
  p[0]={-INF, -INF};
  p[N+1]={INF, INF};
  for(i=1; i<=N; i++) cin >> p[i].ft >> p[i].sc;
  sort(p, p+N+2);
  
  ll sw[MAX]={}, sxw[MAX]={};
  for(i=1; i<=N; i++) {
    sw[i]=sw[i-1]+p[i].sc;
    sxw[i]=sxw[i-1]+p[i].ft*p[i].sc;
  }
  
  for(ll _=0; _<Q; _++) {
    ll X;
    cin >> X;
    
    ll pos=lower_bound(p, p+N+2, pll(X, -1))-p;
    pos--;
    pt(sxw[N]-2*sxw[pos]-X*sw[N]+2*X*sw[pos]);
  }
  
  
  
}