public static void checkAccount(String accountName, String accountPassword) {
        String uuid = UUID.randomUUID().toString();
        AuthManager am = new AuthManager();
        SessionResponse response = am.authenticate(accountName, accountPassword, uuid);
        System.out.print("Checking Account: " + accountName + " ...");
        if (response.getErrorMessage().length() == 0) {
            System.out.println("Valid Account!");
            for (Profile profile : response.getAvailableProfiles()) {
                String playerName = profile.getName();
                if (isPremium(playerName)) {
                    System.out.println("Checking Player: " + playerName + " is Premium!");
                    writePremiumList(accountName, accountPassword);
                }
            }
        } else {
            System.out.println(response.getErrorMessage());
        }
    }