Salvador :「おやついる？」  

= Oyatsu iru? 

= Do you want a  snack? 

Kitchu :「今、いい！」 

= Ima ii! 

= No thank you. (Not now) 

Salvador : 「先にお風呂に入っていい？」

=  Sakini ofuro ni haitte ii?

= Can I go ahead and take a bath?

Kitchu : 「いいよ！」

 = iiyo!

= Sure! Go ahead!