import java.util.Scanner;

class Main {
	public static void main(String args[]) {
		StringBuilder sb = new StringBuilder();
		Scanner sc = new Scanner(System.in);
		String s = sc.next();
		switch (s) {
		case "Sunny":
			sb.append("Cloudy");
			break;
		case "Cloudy":
			sb.append("Rainy");
			break;
		case "Rainy":
			sb.append("Sunny");
		}
		System.out.println(sb);
	}
}
/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