def METHOD_NAME(targetid, tileid, survey):
    """Convert inputs into an arbitrary large integer.
    Parameters
    ----------
    targetid : :class:`int`
        Standard ``TARGETID``.
    tileid : :class:`int`
        Standard ``TILEID``.
    survey : :class:`str`
    Returns
    -------
    :class:`int`
        An arbitrary integer, which will be greater than :math:`2^64` but
        less than :math:`2^128`.
    """
    return (surveyid(survey) << 96) | (tileid << 64) | targetid