import sys
reader = (s.rstrip() for s in sys.stdin)
input = reader.__next__

n,q = map(int, input().split())
x_set = set()
xw = []
for i in range(n):
    x,w = map(int, input().split())
    x_set.add(x)
    xw.append([x,w])
xw.sort()
dd = sorted(x_set)

xs = list(map(int, input().split()))

w_sum = [0]
xw_sum = [0]
for x,w in xw:
    w_sum.append(w_sum[-1] + w)
    xw_sum.append(xw_sum[-1] + x*w)

from bisect import bisect_left
ans = []
for xi in xs:
    j = bisect_left(dd, xi)
    cost = w_sum[j]*xi - xw_sum[j]
    cost += (xw_sum[-1]-xw_sum[j]) - (w_sum[-1]-w_sum[j])*xi
    ans.append(cost)
print(*ans, sep="\n")