import java.util.Scanner;

public class Main {

	public static final String SUUNY = "Sunny";
	public static final String CLOUDY = "Cloudy";
	public static final String RAINY = "Rainy";

	static Main instance = new Main();

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		//入力値
		String str = scan.next();

		//出力値
		String result = null;

		if (str.equals(SUUNY)) {
			result = CLOUDY;
		} else if (str.equals(CLOUDY)) {
			result = RAINY;
		}  else if (str.equals(RAINY)) {
			result = SUUNY;
		}

		System.out.println(result);
	}
}
/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