# Hello Rules!! (10 PTS)### Description
>Find the flag in the rule page
Flag: ```SharifCTF{053e3df6d82735fa4f708f3d61f2c903}```
### Solution
As description said we're going to the rule page.
![](https://github.com/VoidHack/write-ups/raw/master/SharifCTF%208/web/hello-rules/images/button.png)
We should carefully read the page and see a line at the bottom:
```The flag of this challenge is SharifCTF{MD5(lowercase(Hello_Rules))}```
Understandable, right?
```pyC:\Users\Vova\Desktop\SharifCTF8> pythonPython 3.6.4 (v3.6.4:d48eceb, Dec 19 2017, 06:04:45) [MSC v.1900 32 bit (Intel)] on win32Type "help", "copyright", "credits" or "license" for more information.>>> from hashlib import md5>>> str = 'Hello_Rules'.lower()>>> hash = md5(str.encode()).hexdigest()>>> 'SharifCTF{' + hash + '}''SharifCTF{053e3df6d82735fa4f708f3d61f2c903}'>>>```