Life is strange : bathroom code

There are so many codes in the room but you need to find the right one. But usually its most difficult to find the one you need.
If you already gave up in searching bathroom code, try to look in the simplier way : the code is right here, behind you. Look to the mirror more intently - you will see not only yourself, but also 4 digital code for the keypad. One more tip for you - do not forget that it's written in opposite way.
If you still lost among the numbers, we will help you - code is 0311.