import java.util.Scanner;
public class Main{
    public static void main(String[] args){

        Scanner scan = new Scanner(System.in);
        String S = scan.nextLine();

        if("Sunny".equals(S)){
            System.out.print("Cloudy");
        }else if("Cloudy".equals(S)){
            System.out.print("Rainy");
        }else{
            System.out.print("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