import java.util.Scanner;

class Main{

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		String k = s.next();
		if(k.compareTo("Sunny")==0) {
			System.out.println("Cloudy");
		}
		else if(k.compareTo("Cloudy")==0) {
			System.out.println("Rainy");
		}
		else if(k.compareTo("Rainy")==0) {
			System.out.println("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