Got It

intro/main part, here are the chords, listen to the song and you will hear how you'll
to strum it
E|----------------------------------------------| 
B|----------------------------------------------| 
G|--9--7--9---7---9--7--7--5--------------------| 
D|--x--x--x---x---x--x--7--5--------------------| 
A|--8--7--12--10--8--7--5--3--------------------| 
E|--------10--8---------5--3--------------------| 


This is the riff,
E|----------------------------------------------| 
B|--------8-------------------------------------| 
G|--5--8----88888-------------------------------| 

This is the second part after the riff, which is a little different from the main part:
Continúa después del anuncio
E|-------------------------------------------------------------------| 
B|-------------------------------------------------------------------| 
G|--9--7--9--7--9--7--7--5--9--7--9--7--9--7--7--5--7--5--7--5--7--5-| 
D|--x--x--x--x--x--x--7--5--x--x--x--x--x--x--7--5--7--5--7--5--7--5-| 
A|--8--7--8--7--8--7--5--3--8--7--8--7--8--7--5--3--5--3--5--3--5--3-| 
E|--------------------5--3--------------------5--3--5--3--5--3--5--3-| 

This is the song:

Intro
riff
Main part
riff
second part
main part
riff (as the outro)