local bls, brs = bit.lshift, bit.rshift
local mmi, mma = math.min, math.max
local bxor = bit.bxor

local function grayCode(x)
  return bxor(x, brs(x, 1))
end

-- add_func(idx), rm_func(idx), work_func()
local function grayWalk(size, add_func, rm_func, work_func)
  local prv = 0
  local total = bls(1, size) - 1
  local bpos = {}
  for i = 1, size do
    bpos[bls(1, i - 1)] = i
  end
  for i = 1, total do
    local v = grayCode(i)
    if prv < v then
      prv, v = v, v - prv
      add_func(bpos[v])
    else
      prv, v = v, prv - v
      rm_func(bpos[v])
    end
    work_func()
  end
end

local n = io.read("*n")
local v, w = {}, {}
for i = 1, n do
  v[i], w[i] = io.read("*n", "*n")
end
local head_tbl = {}
local box = {}
local ten5 = 100000

local tgt = 0
local weight, val = 0, 0
local tbl = nil
local function add_func(idx)
  weight = weight + w[brs(tgt, idx - 1)]
  val = val + v[brs(tgt, idx - 1)]
end
local function rm_func(idx)
  weight = weight - w[brs(tgt, idx - 1)]
  val = val - v[brs(tgt, idx - 1)]
end
local function work_func()
  if weight <= ten5 then
    tbl[weight] = mma(tbl[weight], val)
  end
end

for i = 512, mmi(n, 1023) do
  tgt = i
  head_tbl[i - 511] = {}
  tbl = head_tbl[i - 511]
  for j = 1, ten5 do
    tbl[j] = 0
  end
  weight, val = 0, 0
  grayWalk(10, add_func, rm_func, work_func)
  for i = 2, ten5 do
    tbl[i] = mma(tbl[i], tbl[i - 1])
  end
end
-- print(os.clock(), collectgarbage("count"))
local q = io.read("*n")
local ans, wlim = 0, 0
local function work_func2()
  if weight <= wlim then
    ans = mma(ans, val)
  end
end
local function work_func3()
  if weight <= wlim then
    ans = mma(ans, val)
  end
  if weight < wlim then
    ans = mma(ans, val + tbl[wlim - weight])
  end
end
for iq = 1, q do
  -- if iq % 10000 == 0 then
  --   print(iq, os.clock())
  -- end
  local pos, wlim_tmp = io.read("*n", "*n")
  wlim = wlim_tmp
  local deg = 0
  do
    local tmp = pos
    while 0 < tmp do
      deg, tmp = deg + 1, brs(tmp, 1)
    end
  end
  if pos < 512 then
    ans = 0
    weight, val = 0, 0
    tgt = pos
    grayWalk(deg, add_func, rm_func, work_func2)
    print(ans)
  elseif pos < 1024 then
    print(head_tbl[pos - 511][wlim])
  else
    deg = deg - 10
    local basepos = pos
    for i = 1, deg do
      basepos = brs(basepos, 1)
    end
    tbl = head_tbl[basepos - 511]
    ans = tbl[wlim]
    tgt = pos
    grayWalk(deg, add_func, rm_func, work_func3)
    print(ans)
  end
end
-- print(os.clock())
