def is_toft_style_hdfs_path(path):
    """
    Check if a given toft style path is HDFS path

    Args:
      path (str):  input path

    Returns:
      bool:  True if input is a HDFS path, False otherwise

    Raises:
      ValueError:  if input path is not a toft style one

    >>>is_toft_style_hdfs_path("/tdk")
    False
    >>>is_toft_style_hdfs_path("/hdfs/aa/bb/cc")
    True
    """
    return path.startswith("/hdfs/")