import java.io.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // 入力
        MyScanner sc = new MyScanner(System.in);
        String S = sc.nextString();

        // 初期化
        String ans = "";

        // 主処理
        if ("Sunny".equals(S)) {
            ans = "Cloudy";
        } else if ("Cloudy".equals(S)) {
            ans = "Rainy";
        } else if ("Rainy".equals(S)) {
            ans = "Sunny";
        }

        // 出力
        System.out.println(ans);
    }

    static class MyScanner {
        BufferedReader br;
        // 標準入力から入力値を取得
        MyScanner(InputStream in) {
            br = new BufferedReader(new InputStreamReader(in));
        }
        // 標準入力を文字列で取得
        public String nextString() throws IOException {
            return br.readLine();
        }
        // 標準入力を文字列の配列で取得
        public String[] nextStringArray() throws IOException {
            return nextString().split(" ");
        }
        // 標準入力を数値で取得
        public int nextInt() throws IOException {
            return Integer.parseInt(nextString());
        }
        // 標準入力を数値の配列で取得
        public int[] nextIntArray() throws IOException {
            String[] strArr = nextStringArray();
            int[] intArr = new int[strArr.length];
            for(int i = 0; i < strArr.length; i++) {
                intArr[i] = Integer.parseInt(strArr[i]);
            }
            return intArr;
        }
    }

}

/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