Hex to Dec Convertion

[teemo]

Hi my problem is this :

I don't know how to convert this :
Server version : 5e 13 37 a3
Master version : 37

Can you guys do this RO? :
www.so-ragnarok.net

i have this info but it's not working

IP : 142.4.36.164
Port : 6900


Need help please