def real_fizz_buzz(i):
    txt = ""
    if i % 3 == 0:
        txt += "fizz"
    if i % 5 == 0:
        txt += "buzz"
    return txt

for i in range(len(X_test)):
    text = fizz_buzz_decode(pred[i])
    true_text = real_fizz_buzz(i + 1)
    print("{}: {} ({})".format(i + 1, text, "✔" if text == true_text else "x"))