import sys
input=lambda: sys.stdin.readline().rstrip()
n,q=map(int,input().split())
X,XW=[],[]
tot_xw,tot_w=0,0
for _ in range(n):
  x,w=map(int,input().split())
  tot_xw+=x*w
  tot_w+=w
  XW.append((x,w))
  X.append(x)
XW.sort(key=lambda x:x[0])
X.sort()
A,B=[0]*(n+1),[0]*(n+1)
A[0]=-tot_w
B[0]=tot_xw
for i in range(n):
  A[i+1]=A[i]+2*XW[i][1]
  B[i+1]=B[i]-2*XW[i][0]*XW[i][1]

import bisect
Q=[int(i) for i in input().split()]
for q in Q:
  ind=bisect.bisect_left(X,q)
  print(A[ind]*q+B[ind])