void Start()
        {

            if (m_StoreController == null)
            {
                InitializePurchasing();
            }

            checkProd(YEAR_SUB);
        }

        public void checkProd(string prodId)
        {
#if UNITY_EDITOR
#elif UNITY_ANDROID
            StartCoroutine("checkProduct", prodId);
        #endif
        }

        IEnumerator checkProduct(string prodId)
        {
            yield return new WaitForSeconds(5);
            Product cproduct = m_StoreController.products.WithID(prodId);
            if (cproduct != null && cproduct.hasReceipt)
            {
                if (prodId == YEAR_SUB)
                {
                    PlayerPrefs.SetInt("isSubscr", 1);
                }
            }
            else
            {
                if (prodId == YEAR_SUB)
                {
                    PlayerPrefs.SetInt("isSubscr", 0);
                }
            }
        }