import java.util.*;
class Main{
  public static void main(String[] args){
    Scanner scan=new Scanner(System.in);
    String S=scan.nextLine();
    switch(S){
      case "Sunny":
      	System.out.println("Cloudy");
      	break;

      case "Rainy":
      	System.out.println("Sunny");
        break;
      
      case "Cloudy":
        System.out.println("Rainy");
        break;

    }
  }
}
/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