Bugku CTF daily question baby_ flag. txt

baby_flag.txt

Open and find it is txt file , After opening, I found a picture prefix , Change suffix to jpg Found a picture , At the end, I found a string of numbers , Found to be 0-f, Should be 16 Base number , But translate into ascii After use base Can't solve the secret , I know there is flag A hint of

Then I saw the familiar raR！ It should be a compressed package , however rar The prefix of the compressed package should be Rar！ So try to change the prefix and then extract , Sure enough, a compressed package was extracted , But you need a password
At this time, I thought of the hint of the topic ： It can be a little higher
It should be raised , So I changed the picture to a hundred million points and got the decompression password

After decompressing, I found a pile of things I can't understand , After studying for a long time, I really can't solve , After reading the prompt, I learned that it was Malbolge Code of language ？ this tm It's a piece of code ？
Then use the following URL to decrypt and get flag

https://zb3.me/malbolge-tools/