QUERY = 0
ITEM = 1
INF = 1 << 60
N, Q = map(int, input().split())

events = []
items = []
for i in range(N):
    x, w = map(int, input().split())
    items.append((x, w))
    events.append((x, ITEM, i))

X = list(map(int, input().split()))
for i, x in enumerate(X):
    events.append((x, QUERY, i))


def scan(events):
    w = 0
    cost = 0
    prev_x = 0
    for x, e, i in events:
        dx = abs(x - prev_x)
        cost += dx * w
        prev_x = x
        if e == QUERY:
            ans[i] += cost
        elif e == ITEM:
            w += items[i][1]


ans = [0] * Q
# 左側から
scan(sorted(events))
# 右側から
scan(sorted(events, key=lambda x: (-x[0], x[1])))

print(*ans, sep='\n')