I can't find it anywhere.

So I've picked up two pieces of the paper, and I assume I need to find the birthday of a female ghost to unlock a padlock on the ground floor and/or find a hammer(?) to go further into the 3rd floor. I don't know what to do from here and I really can't figure it out....

I will be updating the list whenever I encounter new issues. 22/12/2024: There are some frame drops, even on the low settings. I don't think think it's caused by the graphics, since most models and textures seem to be relatively simple. The sound options don't seem to affect anything on the hospital level. This may be intentional but I can't really tell. Some things such as the first key you find in the hospital are difficult to click on, especially while you are r...

I found the third set of keys in the bathroom with the ghost of the boy (15 years old), but now I am completely stuck, I don't know what to do. I suspect I have to find the code for the locked door on the floor with the first "dangerous" ghost (32 years old), and I suspect this code is right behind the ghost of the boy in the bathroom, but I don't know what he wants to let me pass. Any hints? Do I need to find another toy or something?...