How to ask the user to type in random integers forever in python 3.4

Im making a text based adventure game but at one point I want the user to be stuck typing numbers endlessly. I'm very new and python so the simpler the better but here's what i've got so far anyway.

Here is the code ![1]: http://ift.tt/1FXCOKK

Here is what happens when I run the code ![1]: http://ift.tt/1j9Ciiv