fun judge(ret: Boolean, ok: String, ng: String) = if (ret) println(ok) else println(ng)
fun inRange(a: Int, b: Int, c: Int): Boolean = if (a < b && b < c) true else false

fun main(args: Array<String>) {
  val (a,b,c) = readLine()!!.split(' ').map(String::toInt)

  judge(inRange(a,b,c), "Yes", "No")
}

