EnemyShot shot = GetComponent<EnemyShot>();

public  EnemyShot shot;

public class Health : MonoBehaviour
{
    public float health;
    float damage;    
    EnemyShot shot;

    void OnTriggerEnter2D (Collider2D other)
    {
        if (other.CompareTag("EnemyBullets"))
        {
            shot = other.gameObject.GetComponent<EnemyShot>();
            if (shot)
            {    
                damage = shot.BulletDamage;        
                health -= damage;
        
                if (health <= 0)
                    Destroy(gameObject);
            }
   
            Destroy(other.gameObject);
        }
    }
}