Can u fix this..

Question

https://code.sololearn.com/cD5Y761SNnmX/?ref=app

If i put dd as the input, the answer comes out to be hf.

Answer 1

No Manas. Your code is bug free. Just input your elements in this format.
dd
2

Your answer will be 4.
There's nothing wrong with your code.

Answer 2

It is working fine. U might be giving wrong input.
To debug, print the x value after you give the input.