import java.util.Scanner;
//import java.util.Map;
//import java.util.HashMap;

public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    String[][] map = { {"Sunny", "Cloudy"}, {"Cloudy", "Rainy"}, {"Rainy", "Sunny"} };
    
 	String s = sc.next();

    int i = 0;
    for ( i = 0; i < map.length; i++) {
      if (map[i][0].equals(s)) {
        break;
      }
    }
    String result = map[i][1];
    
    

    System.out.println(result);
  }
}


/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