n, q = map(int, input().split())
info = [list(map(int, input().split())) for i in range(n)]
query = list(map(int, input().split()))

info = sorted(info)
ans = [0] * q

ind = 0
weight = 0
for i in range(q):
    tmp = 0
    pos = query[i]
    if i - 1 >= 0:
        prv_pos = query[i - 1]
    else:
        prv_pos = pos
    while True:
        if ind >= n:
            break
        x, w = info[ind]
        if x <= pos:
            tmp += w
            ans[i] += w * (pos - x)
            ind += 1
        else:
            break
    if i - 1 >= 0:
        ans[i] += (pos - prv_pos) * weight + ans[i - 1]
    weight += tmp

ans2 = [0] * q
ind = n - 1
weight = 0
for i in range(q)[::-1]:
    tmp = 0
    pos = query[i]
    if i + 1 < q:
        prv_pos = query[i + 1]
    else:
        prv_pos = pos
    while True:
        if ind < 0:
            break
        x, w = info[ind]
        if x >= pos:
            tmp += w
            ans2[i] += w * abs(pos - x)
            ind -= 1
        else:
            break
    if i + 1 < q:
        ans2[i] += abs(pos - prv_pos) * weight + ans2[i + 1]
    weight += tmp

for i in range(q):
    print(ans[i] + ans2[i])