import java.util.Scanner;

public class Main{

	public static void main(String... args){
		Scanner scan = new Scanner(System.in);
		
		String str = scan.next();
		
		switch(str){
			case "Sunny":
				System.out.println("Cloudy");
				break;
			case "Cloudy":
				System.out.println("Rainy");
				break;
			case "Rainy":
				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