import java.util.Scanner;

public class Main {
  public static void main(String args[]) {
    Scanner sc = new Scanner(System.in);
    
    String s = sc.next();

    String ans;

    if (s.equals("Sunny")) {
      ans = "Cloudy";
    } else
    if (s.equals("Cloudy")) {
      ans = "Rainy";
    } else {
      ans = "Sunny";
    }

    System.out.println(ans);

    sc.close(); 
  }
}

/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