import scala.io.Source

object Main {
  val list = Seq("Sunny", "Cloudy", "Rainy")

  def succ(x: String): String = {
    (list zip (list.tail :+ list.head)).toMap.get(x).get
  }

  def main(args: Array[String]) {
    val s = Source.stdin.getLines.toSeq.head
    println(succ(s))
  }
}
