Hufflepuff by mistake

You get your acceptance letter to Hogwarts School of Witchcraft and Wizardy. Your whole family has been a proud Slytherin, and expects you to be one as well. You get sorted and instead of the sorting hat saying slithering, it says you're in Hufflepuff. Not only that, but people in the Slytherin house make fun of you for not being in their house. What would you do?

Pc: Google images