public class Order {
  public static String order(String words) {
    String[] arrayOfWords = words.split("\\s+");
    int amountOfWords = arrayOfWords.length+1;
    String[] orderedWords = new String[amountOfWords-1];
    int i = 0;

    if (words == "") return "";

    while(i < amountOfWords-1){

      int number = Integer.parseInt(extractNumber(arrayOfWords[i]));
      orderedWords[number-1] = arrayOfWords[i] + " ";
      i++;
    }
    String s = new String();
    for (String w : orderedWords){
      s += w;
    }

    return s.trim();

  }

   public static String extractNumber(String str){
      if(str == null || str.isEmpty()) return "";
      StringBuilder sb = new StringBuilder();
      boolean found = false;
      for(char c : str.toCharArray()){
        if(Character.isDigit(c) && c != '0'){
            sb.append(c);
            found = true;
        } else if(found){
            break;
        }
    }
    return sb.toString();
    }
}