N, Q = gets.split.map(&:to_i)
B = N.times.map { gets.split.map(&:to_i) }
X = gets.split.map(&:to_i)

def f(pos, limit)
  cost = 0

  B.each do |x, w|
    cost += w * (pos - x).abs
  end

  cost <= limit
end

X.each do |x|
  ng = 0
  ok = 10 ** 18

  while (ok - ng).abs >= 2
    limit = (ok + ng) / 2

    if f(x, limit)
      ok = limit
    else
      ng = limit
    end
  end

  puts ok
end