import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
        String line = sc.nextLine();
        String next = "Sunny";
        if (line.equals("Sunny")) {
        	next = "Cloudy";
        } else if (line.equals("Cloudy")) {
        	next = "Rainy";
        } else if (line.equals("Rainy")) {
        	next = "Sunny";
        }

        System.out.println(next);


    }

    



}
/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