import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String input = sc.next();
		String results = '';
		if (input.Equals('Sunny')) {
			results = 'Cloudy';
		} else if (input.Equals('Cloudy')) {
			results = 'Rainy';
		} else if (input.Equals('Rainy')) {
			results = 'Sunny';
		}
		// 出力
		System.out.println(results);
	}
}