import java.util.Scanner;

public class Main {
  
  	private final static Scanner sc = new Scanner(System.in);
  
  	public static void main (String [] args) {
      String today = sc.next();
      if(today.equals("Sunny")) {
        System.out.println("Cloudy");
      } else if (today.equals("Cloudy")) {
        System.out.println("Rainy");
      } else {
        System.out.println("Sunny");
      }
   }
}
/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