object Main {
  def main(args: Array[String]): Unit = {
    val Array( dis, time, speed ) = scala.io.StdIn.readLine.split( " " ).map{ _.toInt }
    var need_time = dis/speed
    if( dis%speed != 0 ) need_time += 1
    if( need_time <= time ) println( "Yes" )
    else                   println( "No" )
  }
}