package example

object Hello extends App {
  val param = scala.io.StdIn.readLine.split(' ')
  val D = param(0).toInt
  val T = param(1).toInt
  val S = param(2).toInt
 
  val t = Math.ceil(D.toDouble / S)
 
  if (t > T) {
    println("No")
  } else {
    println("Yes")
  }
}
 