Using keras simple RNN and LSTM gives me the same val_accuracy: 0.3450. I need a bit of guidance with what I'm missing

Question

https://colab.research.google.com/drive/16np3KgLfxnjWdxRexyB77sXHMSrhbaoG?usp=sharing is the link to my code-labs.

I think I\'m not missing anything with the input da