def create_event_names_for_offsets(event_name, offset):
    """
    Create names for offsets of every event
    Args:
        event_name (string): Name of the event
        offset (int): Offset of the event

    Returns:
        offset_name (string): A name created for the offset of the event
    """
    offset_name = "{}_{}{}".format(event_name, "+" if offset >= 0 else "-", abs(offset))
    return offset_name