import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class Main{
	public static void main(String[] args) {
	
		Scanner scn=new Scanner(System.in);
		Map<String,String> list=new HashMap<String,String>();
		
		list.put("Sunny","Cloudy");
		list.put("Cloudy","Rainy");
		list.put("Rainy","Sunny");
		
		String str=scn.next();
		
		if(str.contains("Sunny")) {
			System.out.println(list.get(str));
		}
		if(str.contains("Cloudy")) {
			System.out.println(list.get(str));
		}
		if(str.contains("Rainy")) {
			System.out.println(list.get(str));
		}
		
		scn.close();
	}
}
/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