BinaryTreeStorage::~BinaryTreeStorage(void)
{
    try
    {
//  destroy(ROOT->left);
    //destroy(ROOT->right);
        destroy(ROOT);
    delete ROOT;
    }
    catch(int  &e )
    {
        cerr << "Nothing to delete" << e << endl;
    }
}

// my method
void BinaryTreeStorage::destroy(TreeNode *Child)
{
  if(Child!=NULL)
  {
    destroy(Child->left);
    destroy(Child->right);
    delete Child;
  }
  else
  {
      delete Child;
  }


}