import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String n = sc.next();

		if (n.charAt(0) == 'S') {
			System.out.print("Cloudy");

		} else if (n.charAt(0) == 'C') {
			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