import java.util.Scanner;
public class Main {

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		
		String s=sc.next();
        char a=s.charAt(0);
        if(a=='S') {
        	System.out.println("Cloudy");
        }else if(a=='C') {
        	System.out.println("Rainy");
        }else {
        	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