iOS Push second view controller : PresentViewController,UIViewController

example.m

// to push, add in the UIViewController :

MyUIViewController *second = [[LoginUIViewController alloc] initWithNibName:nil bundle:nil];
	[self presentViewController:second animated:YES completion:nil];
	
// in the second view controller add

[self dismissViewControllerAnimated:YES completion:nil];

// to go back to fisrt view