N, Qn = map(int, input().split()) 
X = []
for _ in range(N):
    x, w = map(int, input().split())
    X.append((x, w, 0))
Q = list(map(int, input().split()))
for i, x in enumerate(Q):
    X.append((x, i, 1))
X.sort(key=lambda x:x[0])

rs1 = [0] * Qn
wsum = bx = ss=0
for x, d, t in X:
    if t:
        ss += (x-bx)*wsum
        rs1[d] = ss
    else:
        ss += (x-bx)*wsum
        wsum += d
    bx = x


rs2 = [0] * Qn
wsum = bx = ss=0
for x, d, t in X[::-1]:
    if t:
        ss += -(x-bx)*wsum
        rs2[d] = ss
    else:
        ss += -(x-bx)*wsum
        wsum += d
    bx = x

#print(rs1, rs2)
for i in range(Qn):
    print(rs1[i]+rs2[i])