local mmi, mma = math.min, math.max
local mfl, mce = math.floor, math.ceil
local mod = 998244353
local function bmul(x, y)
  local x0, y0 = x % 31596, y % 31596
  local x1, y1 = mfl(x / 31596), mfl(y / 31596)
  return (x1 * y1 * 62863 + (x1 * y0 + x0 * y1) * 31596 + x0 * y0) % mod
end

local n = io.read("*n")
n = n - 1
local t = {}
local box = {}
for i = 1, n do
  t[i] = i
  box[i] = {}
end
local function put(dst, val, cnt)
  local d = dst * 2 <= n and dst or n + 1 - dst
  if not box[d][val] then
    box[d][val] = cnt
  else
    box[d][val] = box[d][val] + cnt
  end
end
for i = 1, n do
  local v = t[i]
  if 1 < v then
    local lim = mfl(n / i)
    for j = 1, lim do
      local dst = i * j
      local c = 0
      while t[dst] % v == 0 do
        t[dst] = mfl(t[dst] / v)
        c = c + 1
      end
      if 0 < c then
        put(dst, v, c)
      end
    end
  end
end

local half = mce(n / 2)
if n % 2 == 1 then
  for k, v in pairs(box[half]) do
    box[half][k] = v * 2
  end
end
local fullbox = {}
for i = 1, half do
  for k, v in pairs(box[i]) do
    -- print(i, k, v)
    if not fullbox[k] then
      fullbox[k] = v
    else
      fullbox[k] = mma(fullbox[k], v)
    end
  end
end
local ret = 1
for k, v in pairs(fullbox) do
  -- print(k, v)
  for i = 1, v do
    ret = bmul(ret, k)
  end
end
print(ret)