import scala.io.StdIn

object Problem159 {

  def proc(p: Double, q: Double): String = {
    val frontRev1 = p * (1 - q) * 0
    val frontRev2 = p * (1 - q) * q
    val backRev1 = (1 - p) * q
    val backRev2 = (1 - p) * (1 - q) * 0

    val p1 = frontRev1 + backRev1
    val p2 = frontRev2 + backRev2

    if (p1 < p2) "YES" else "NO"
  }

  def main(args: Array[String]) {
    val pq = StdIn.readLine().split(" ").map(_.toDouble)
    val result: String = proc(pq(0), pq(1))
    println(result)
  }
}