import java.util.Scanner;

class Main {
  public static void main(String[] args) {

    int i;
    Scanner sc = new Scanner( System.in );
    String str = sc.next();

    String[] stringArray = {"Sunny", "Cloudy", "Rainy"};
    
    for ( i = 0; i < stringArray.length; i ++ ) {
      if (str.equals(stringArray[i])) {
        break;
      }
    }

    System.out.println(stringArray[( i + 1 ) % stringArray.length]);
  }
}
/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