import java.util.*;
public class Main{
	public static void main(String[] args){
	  Scanner sc = new Scanner(System.in);
	  String s = sc.nextLine();
	  String t;
	  if(s.equals("Sunny"))t="Cloudy";
	  else if(s.equals("Cloudy"))t="Rainy";
	  else t="Sunny";
	  System.out.println(t);
	}
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz