import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner scanner = new Scanner(System.in);
		String input = scanner.nextLine();

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