void Update()
    {
        //Interstitial ad
        if (Advertising.IsInterstitialAdReady())
        {
            interAdText.text = "Interstitial ad is ready";
            interAdText.color = Color.green;
        }
        else
        {
            interAdText.text = "Interstitial ad is not ready";
            interAdText.color = Color.red;
        }

        //Rewarded ad
        if (Advertising.IsRewardedAdReady())
        {
            rewardAdText.text = "Rewarded ad is ready";
            rewardAdText.color = Color.green;
        }
        else
        {
            rewardAdText.text = "Rewarded ad is not ready";
            rewardAdText.color = Color.red;
        }
      }