How to add domaine name and ns server

hello thats a long time i dont have visit 000webhost now i have using this great free service but the problem i show new interface i dont know how to add my own domain name i have put n01.000webhost.com and ns02.000webhost.com but i dont know where i put my domain in 000webhost i have try set web adress i chose i have domaine but they told me only redirect page not dns how to do please

problem sloved .
link slove this issus How to point domain from freenom.com to 000webhost.com