Attack and defense world misc advanced area can_ has_ stdio?

can_has_stdio?

Unzip the attachment without suffix , use txt open
It should be a kind of encryption , Check it online , It's called BrainFuck
Reference resources BrainFuck knowledge

It is mainly composed of these characters ：
“>”: Move the pointer position to the right one bit
“<”: The pointer position moves one bit left
+: The value in the position pointed by the pointer is added 1
-: The value in the position pointed by the pointer minus 1
. : The current position of the output pointer points to the contents of the cell
[: If the cell value pointed to by the pointer is zero , Jump back to the corresponding ] The next instruction of an instruction
]: If the cell value pointed to by the pointer is not zero , Jump forward to the corresponding [ The next instruction of an instruction ( forehead … It seems difficult to understand , It's just used to loop a piece of code , The two are generally used in combination )

Decrypt web address
Decrypt ：
obtain flag

flag{
    esolangs_for_fun_and_profit}