private IEnumerator AnimMouth()
    {
        yield return(new WaitForEndOfFrame());

        while (true)
        {
            if (cpt % 2 == 0)
            {
                Photo.SetActive(true);
                Photo2.SetActive(false);
            }

            else
            {
                Photo.SetActive(false);
                Photo2.SetActive(true);
            }

            cpt++;

            yield return(new WaitForSeconds(0.5f));
        }
    }