public class Teat
{
  public static void main(String[] args)
  {
           String [] str = new String[]{"open","door","the","open","name"};
           int count=0;
          for(int i=0;i<str.length;i++)
            if(str[i].equals("open"))
                 count++;       
        System.out.println (count);
           for(int i=str.length-1;i>=0;i--)
           {
               System.out.println (str[i]); 
           }
   }
}