Collect this flag also

 Hey...  You came so far. Hope your brain is not f***ed. LOL. So... collect the following flag (flag 3). But you still have to find the hidden page in this site to find the 4th flag right...

++++++++++

[

>+++++++

>++++++++

>+++

<<<-

]

>.++++++.-----------.++++++. 

<++++++++++++++++++++++++++++++++. 

>>>+++++++++++++++++++++. 

<<-------------. 

<.++. 

>>+++. 

<++++++++++++++. 

>----.+++.++. 

<<.