dismiss two controllers Swift

Question

I have this situation :

I have a first view controller , when tap on button in it I open in modal mode another view controller , in this view controller when I tap a

Answer 1

Thanks all for reply and edited my question :)

I found 2 line code to resolved my problem:

let appDelegate = UIApplication.sharedApplication().delegate as! AppDelegate appDelegate.window!.rootViewController?.dismissViewControllerAnimated(true, completion: nil).

And that work well.

Thanks very much