from bisect import *
N,Q=map(int, input().split())
data=[]
X=[]
for _ in range(N):
    x,w=map(int, input().split())
    data.append((x,w))
    X.append(x)
X.sort()
data.sort(key=lambda x:x[0])
S=[0]
T=[0]
for x,w in data:
    S.append(S[-1]+w)
    T.append(T[-1]+x*w)

for x in map(int, input().split()):
    i=bisect_left(X,x)
    print(S[i]*x-T[i] + (T[-1]-T[i])-x*(S[-1]-S[i]))