For those who need help with level 35 all you do is tap o once, t two times, f two times, s two times, e once, n once, and t once, then the door should open and for those who need help on level three, just go back to kindergarten and listen to the kids count 1-6.
If your wondering where zoo security is at this time they are watching all of this on security cameras laughing at the idiots who are trying to get into the llamas cage.