If a person forgets to pay Zakat-ul-Fitr and remembers after Eid gets over what should he do?

Answer By Dr Zakir Naik,Muhammad (pbuh) said its mentioned in Sahih Bukhari Vol. no. 2 Book of Zakaat Hadith no. 1503, the beloved Prophet Muhammad (pbuh) said that “If it is given before Eid-ul-Fitr Salaah it is Zakaat if it is given after Eid-ul-Fitr Salaah, it is Sadaqa normal charity.”