defmodule Main do
  def input, do: IO.read(:line) |> String.trim
  def ii, do: input() |> String.to_integer
  def li, do: input() |> String.split |> Enum.map(&String.to_integer/1)
  def yn(b), do: IO.puts(if b, do: "Yes", else: "No")


  def main do
    m = ii()
    for _ <- 1..m do
      a = ii()
      ans = solve(a+1)
      IO.puts ans
    end
  end

  def solve(1), do: ""
  def solve(a) do
    c = case rem(a, 2) do
      0 -> "L"
      1 -> "R"
    end
    [c | solve(div(a, 2))]
  end
end