import java.io.*;
public class Main{
	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String weather = br.readLine();
		
		String tomorrow_weather;
		if(weather.equals("Sunny")) {
			tomorrow_weather = "Cloudy";
		} else if(weather.equals("Cloudy")){
			tomorrow_weather = "Rainy";
		} else {
			tomorrow_weather = "Sunny";
		}

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