Lets Fuck Your Brain

On this challenge you have a sequence of symbols: + - [ ] < > .

++++[>+++++<-]>+++[>+++<-]>++.>++++++
[>++++<-]>++++[>++++<-]>-..----------
-.>.<+++++++++++++++++++.>+++++++++[>
++++++<-]>------.++[>++<-]>++++++++++
++++.-------.>++++++[>+++++<-]>+++.

You may think: what the hell is this crap ??
But hold on. The level's page says: "Check out this script" and level's name is "Lets Fuck Your Brain". It reminds me of an exotic programming language called BrainFuck, and you can find more about it here.
All you need to do is to learn basic BrainFuck (it's quite simple) and run the script on your mind with a piece of paper for notes, orrrrr to find a web interpreter for BrainFuck, like this one that also has a debugging option.

Only copy and paste the script above, run it and get the password, Good w0rk!