#pragma GCC optimize ("Ofast")
#include<bits/stdc++.h>
using namespace std;
void *wmem;
char memarr[96000000];
template<class T> inline void walloc1d(T **arr, int x, void **mem = &wmem){
  static int skip[16] = {0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1};
  (*mem) = (void*)( ((char*)(*mem)) + skip[((unsigned long long)(*mem)) & 15] );
  (*arr)=(T*)(*mem);
  (*mem)=((*arr)+x);
}
template<class T1> void sortA_L(int N, T1 a[], void *mem = wmem){
  sort(a, a+N);
}
template<class T1, class T2> void sortA_L(int N, T1 a[], T2 b[], void *mem = wmem){
  int i;
  pair<T1, T2> *arr;
  walloc1d(&arr, N, &mem);
  for(i=(0);i<(N);i++){
    arr[i].first = a[i];
    arr[i].second = b[i];
  }
  sort(arr, arr+N);
  for(i=(0);i<(N);i++){
    a[i] = arr[i].first;
    b[i] = arr[i].second;
  }
}
inline int my_getchar_unlocked(){
  static char buf[1048576];
  static int s = 1048576;
  static int e = 1048576;
  if(s == e && e == 1048576){
    e = fread_unlocked(buf, 1, 1048576, stdin);
    s = 0;
  }
  if(s == e){
    return EOF;
  }
  return buf[s++];
}
inline void rd(int &x){
  int k;
  int m=0;
  x=0;
  for(;;){
    k = my_getchar_unlocked();
    if(k=='-'){
      m=1;
      break;
    }
    if('0'<=k&&k<='9'){
      x=k-'0';
      break;
    }
  }
  for(;;){
    k = my_getchar_unlocked();
    if(k<'0'||k>'9'){
      break;
    }
    x=x*10+k-'0';
  }
  if(m){
    x=-x;
  }
}
inline void rd(long long &x){
  int k;
  int m=0;
  x=0;
  for(;;){
    k = my_getchar_unlocked();
    if(k=='-'){
      m=1;
      break;
    }
    if('0'<=k&&k<='9'){
      x=k-'0';
      break;
    }
  }
  for(;;){
    k = my_getchar_unlocked();
    if(k<'0'||k>'9'){
      break;
    }
    x=x*10+k-'0';
  }
  if(m){
    x=-x;
  }
}
struct MY_WRITER{
  char buf[1048576];
  int s;
  int e;
  MY_WRITER(){
    s = 0;
    e = 1048576;
  }
  ~MY_WRITER(){
    if(s){
      fwrite_unlocked(buf, 1, s, stdout);
    }
  }
}
;
MY_WRITER MY_WRITER_VAR;
void my_putchar_unlocked(int a){
  if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){
    fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout);
    MY_WRITER_VAR.s = 0;
  }
  MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a;
}
inline void wt_L(char a){
  my_putchar_unlocked(a);
}
inline void wt_L(long long x){
  int s=0;
  int m=0;
  char f[20];
  if(x<0){
    m=1;
    x=-x;
  }
  while(x){
    f[s++]=x%10;
    x/=10;
  }
  if(!s){
    f[s++]=0;
  }
  if(m){
    my_putchar_unlocked('-');
  }
  while(s--){
    my_putchar_unlocked(f[s]+'0');
  }
}
int N;
int Q;
long long X[100000];
long long W[100000];
long long P[100000];
int ind[100000];
long long res[100000];
int main(){
  int i;
  wmem = memarr;
  int k = 0;
  long long lef = 0;
  long long rig = 0;
  long long now = 0;
  long long tmp = 0;
  rd(N);
  rd(Q);
  {
    int Lj4PdHRW;
    for(Lj4PdHRW=(0);Lj4PdHRW<(N);Lj4PdHRW++){
      rd(X[Lj4PdHRW]);
      rd(W[Lj4PdHRW]);
    }
  }
  {
    int e98WHCEY;
    for(e98WHCEY=(0);e98WHCEY<(Q);e98WHCEY++){
      rd(P[e98WHCEY]);
    }
  }
  for(i=(0);i<(Q);i++){
    ind[i] = i;
  }
  sortA_L(N,X,W);
  sortA_L(Q,P,ind);
  for(i=(0);i<(N);i++){
    tmp += X[i] * W[i];
    rig += W[i];
  }
  for(i=(0);i<(Q);i++){
    while(k < N && X[k] < P[i]){
      tmp += (X[k] - now) * (lef - rig);
      now = X[k];
      rig -= W[k];
      lef += W[k];
      k++;
    }
    tmp += (P[i] - now) * (lef - rig);
    now = P[i];
    res[ind[i]] = tmp;
  }
  {
    int hCmBdyQB;
    for(hCmBdyQB=(0);hCmBdyQB<(Q);hCmBdyQB++){
      wt_L(res[hCmBdyQB]);
      wt_L('\n');
    }
  }
  return 0;
}
// cLay varsion 20200321-1

// --- original code ---
// int N, Q;
// ll X[1d5], W[1d5], P[1d5];
// int ind[1d5];
// ll res[1d5];
// 
// {
//   int k = 0;
//   ll lef = 0, rig = 0, now = 0, tmp = 0;
//   rd(N,Q,(X,W)(N),P(Q));
//   rep(i,Q) ind[i] = i;
//   sortA(N,X,W);
//   sortA(Q,P,ind);
// 
//   rep(i,N){
//     tmp += X[i] * W[i];
//     rig += W[i];
//   }
// 
//   rep(i,Q){
//     while(k < N && X[k] < P[i]){
//       tmp += (X[k] - now) * (lef - rig);
//       now = X[k];
//       rig -= W[k];
//       lef += W[k];
//       k++;
//     }
//     tmp += (P[i] - now) * (lef - rig);
//     now = P[i];
//     res[ind[i]] = tmp;
//   }
//   wtLn(res(Q));
// }