import java.util.*;
public class Main {
	Scanner sc = new Scanner(System.in);
	int a,b,c,d,e,f,k,l,m,n,x,y,z;
	int ans;
	String[] S;

	Main(){
		switch(sc.next()){
			case "Sunny":
				System.out.println("Cloudy");
				break;
			case "Cloudy":
				System.out.println("Rainy");
				break;
			case "Rainy":
				System.out.println("Sunny");
				break;
        }
	}

	public static void main(String[] args){
		new Main();
	}
}
/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