defmodule Main do
  def main do
    IO.gets("")
    |> String.trim()
    |> String.split()
    |> Enum.map(&String.to_integer(&1))
    |> (fn [d, tax] ->
          (d * (100 + tax) / 100)
          |> Float.floor()
          |> trunc
        end).()
    |> IO.puts()
  end
end