import java.io.InputStreamReader;
import java.io.IOException;
import java.io.BufferedReader;

public class Main{
  public static void main(String[]args){
    InputStreamReader isr=new InputStreamReader(System.in);
    BufferedReader br=new BufferedReader(isr);
    String str=null;
    try{
      str=br.readLine();
      br.close();
     }catch(IOException e){
       e.printStackTrace();
     }
    if(str.equals("Sunny")){
      System.out.println("Cloudy");
    }
    if(str.equals("Cloudy")){
      System.out.println("Rainy");
    }
    if(str.equals("Rainy")){
      System.out.println("Sunny");
    }
  }
  }
       
      
    
/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