import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String weathers[] = new String[3];
        weathers[0] = "Sunny";
        weathers[1] = "Cloudy";
        weathers[2] = "Rainy";
        String today = sc.next();
        int cnt = 0;
        for (String weather : weathers) {
            if (weather.equals(today)) {
                System.out.println(weathers[(cnt + 1) % 3]);
                return;
            }
            cnt++;
        }
    }
}
/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