Why doesent my code work?

Question

Hi all
I've written this c++ code, but it doesn't work. All it does is printing "please enter a natural number."
Here is the code:
https://code.sololearn.com/cqxZ293A5j5O/?ref=app

Answer 1

Dont worry is an error that happen very frequently i begginers:

x=y
assign y value to x

x==y
compare equality values between they

Answer 2

Thank you :)