local n = io.read("*n") * 2
local a = {}
for i = 1, n do a[i] = io.read("*n") end
table.sort(a)
local right = n
local minus = 0
for i = 1, n do
  local ai = a[i]
  while i < right and 0 <= ai + a[right] do
    right = right - 1
  end
  if right <= i then break end
  minus = minus + 1
  right = right - 1
end
local plus = 0
local left = 1
for i = n, 1, -1 do
  local ai = a[i]
  while left < i and a[left] + ai <= 0 do
    left = left + 1
  end
  if i <= left then break end
  plus = plus + 1
  left = left + 1
end

local am = {}
for i = 1, n do
  local ai = a[i]
  if not am[ai] then
    am[ai] = 1
  else
    am[ai] = am[ai] + 1
  end
end
local center = 0
for k, v in pairs(am) do
  if k == 0 then
    center = center + math.floor(v / 2)
  elseif 0 < k then
    if am[-k] then
      center = center + math.min(v, am[-k])
    end
  end
end
print(minus .. " " .. plus .. " " .. center)