Replace all the text in it with the following:
4237is the code for the door to the Sarcophagus.4134– code for the door in the dungeons of Pripyat.5271– code for the door to the laboratory X-18.2345– code for entering the subway (to Pripyat).
A list of cheats that will help you get weapons, immortality and money in the game STALKER Shadow of Chernobyl How to enter codes in Stalker: Shadow of Chernobyl