try to get wanted position by mouse look smooth

i find this script :

 private var xtargetRotation:float=10;
 private var ytargetRotation:float=10;
 var xSensitivity:float=10;
 var ySensitivity:float=10;
 var smoothing=2;
 var min=-60;
 var max=60;
  
 function Update () 
 {
  
 var yAxisMove:float=Input.GetAxis("Mouse Y")*ySensitivity; // how much has the mouse moved?
 ytargetRotation+=-yAxisMove; // what is the target angle of rotation
 ytargetRotation=ytargetRotation % 360;
 ytargetRotation=Mathf.Clamp(ytargetRotation,min,max);
  
 var xAxisMove:float=Input.GetAxis("Mouse X")*xSensitivity; // how much has the mouse moved?
 xtargetRotation+=xAxisMove; // what is the target angle of rotation
 xtargetRotation=xtargetRotation % 360;
  
  
 transform.localRotation=Quaternion.Lerp(transform.localRotation,Quaternion.Euler(ytargetRotation,0,0),Time.deltaTime*10/smoothing);
 transform.parent.rotation=Quaternion.Lerp(transform.parent.rotation,Quaternion.Euler(0,xtargetRotation,0),Time.deltaTime*10/smoothing);
 }

but whenever (not english lol) i start the game , the play start at rotation y 9.999999 , but i wanna start when i want to ....

any modifications or tip ????