import java.util.Scanner;

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