Vault door 4 - 250pt
This vault uses ASCII encoding for the password. The source code for this vault is here: VaultDoor4.java
Use a search engine to find an "ASCII table".
You will also need to know the difference between octal, decimal, and hexademical numbers.
There's a list of numbers in the source file. These are meant to be read as ASCII codes. Convert them into ASCII chars, put the result together with the final part of the list which is not even encoded. You got the flag.