N,Q=map(int,input().split())
B=[tuple(map(int,input().split())) for i in range(N)]
X=list(map(int,input().split()))

B.append((0,0))
B.append((1<<28,0))

N+=2

from operator import itemgetter
B.sort(key=itemgetter(0))

LSUM=[0]
for x,w in B:
    LSUM.append(LSUM[-1]+w)

LC=[0]
for i in range(1,N):
    LC.append(LC[-1]+(B[i][0]-B[i-1][0])*LSUM[i])

RSUM=[0]
for x,w in B[::-1]:
    RSUM.append(RSUM[-1]+w)

RC=[0]
for i in range(N-1,0,-1):
    RC.append(RC[-1]+(B[i][0]-B[i-1][0])*RSUM[N-i])

LC.append(0)
RC.append(0)
import bisect

for x in X:
    t=bisect.bisect_left(B,(x,1<<30))

    print(LC[t-1]+LSUM[t]*(x-B[t-1][0])+RC[N-1-t]+RSUM[N-t]*(B[t][0]-x))