import java.util.Scanner;
 
public class Main {

	public static final MyScanner in = new MyScanner();

	public static void main(String[] args) {

		String Sunny = "Sunny";
		String Cloudy = "Cloudy";
		String Rainy = "Rainy";

		String i = in.next();

		System.out.println(Sunny.equals(i) ? Cloudy :
			               Cloudy.equals(i) ? Rainy :
			               Rainy.equals(i) ? Sunny : "");

	}

	public static class MyScanner{
		Scanner sc = new Scanner(System.in);
		String nextLine() {return sc.nextLine();}
		String next() {return sc.next();}
		int nextInt() {return Integer.valueOf(sc.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