import java.util.*;

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