import Enum

defmodule Main do
  def dont_be_late(seq) do
    min_to_arrive = Enum.at(seq, 0) / Enum.at(seq, 2)
    cond do
      min_to_arrive <= Enum.at(seq,1) -> "Yes"
      true -> "No"
    end
  end

 def main do
    seq = IO.read(:line) |> String.trim() |> String.split(" ") |>  map(&String.to_integer/1)
    IO.puts dont_be_late(seq)
 end
end