Euler Angles problem

Hi everyone and thanks in advice!

I'm really a starter in all of this. but I'm trying to make something anyways.

My problem is that I have a 2d plane that over a 3d plane and I want the plane to rotate 35º top if I press W and 35º bottom if I press S. Im trying that with euler angles and here is the little code I have for now.

 var v3Current = Vector3(90,0,0);
 var v3BOT = Vector3 (0,35,0);
 var v3TOP = Vector3 (0,325,0);
 
 function Start () {
     transform.eulerAngles = v3Current; 
 }
 
 function Update () {
     if(Input.GetKey("s")){
         transform.eulerAngles = v3BOT;
 }
 
     if(Input.GetKey("w")){
         transform.eulerAngles = v3TOP;
 }
 }

the problems I find is that the sprites appears laying down and i want it to be vertical (90º around x axis).

and that if i press S or W it will always rotate 35º bottom, like W does what S does.

anyone knows something about the problem?