Having problems with quaternions,so i'm trying to code a game

so my code is like this (sorry if it has errors):

 public Transform player;
 // Use this for initialization
 void Start () {
     
 }
 
 // Update is called once per frame
 void Update () {
     
 }
 private void OnCollisionEnter(Collision collision)
 {
     
     Quaternion hi = Quaternion.Euler(0, 5, 0 , 0);
     
     if (player.rotation == hi)
     {
         SceneManager.LoadScene("LVL01");
     }
     
 }

} online 22 I am trying to use than operator with = operator but unity is showing errors pls help