import java.io.{BufferedOutputStream, BufferedReader, InputStreamReader, PrintWriter}

object Main {
  def main(args: Array[String]): Unit = {
    val in = new BufferedReader(new InputStreamReader(System.in))
    val out = new PrintWriter(new BufferedOutputStream(System.out))
    val Array(a, b, c) = in.readLine().split("\\s+").map(_.toInt)

    out.println(
      if (c >= a && c <= b) {
        "Yes"
      } else {
        "No"
      }
    )

    out.flush()
  }
}
