import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner stdin = new Scanner(System.in);
		
		String S = stdin.next();
		
		if(S.equals("Sunny")) {
			System.out.print("Cloudy");
		}
		else if(S.equals("Cloudy")) {
			System.out.print("Rainy");
		}
		else {
			System.out.print("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