object Main extends App {
  val in = scala.io.Source.stdin.getLines.toSeq
  val in2 = in.head
  //println(in2)
  
  val k = "keyence"
  
  private def func(s: String):Boolean = {
    if(s.startsWith(k) || s.endsWith(k)) return true
    if(k == s.take(1) + s.takeRight(6)) return true
    if(k == s.take(2) + s.takeRight(5)) return true
    if(k == s.take(3) + s.takeRight(4)) return true
    if(k == s.take(4) + s.takeRight(3)) return true
    if(k == s.take(5) + s.takeRight(2)) return true
    if(k == s.take(6) + s.takeRight(1)) return true
  	false
  }
  val ret = if(func(in2)) "YES" else "NO"
  println(ret)
}
