This is played in the intro and other parts of the song
E|--------x-x-x--x--x-|
B|--------x-x-x--x--x-|
G|--------x-x-x--x--x-|
D|-4-5-6--x-x-x--x--x-|
A|-2-3-4--x-x-x--x--x-|
E|--------x-x-x--x--x-|

This is the chorus
E|----------------------------|
B|----------------------------|
G|----------------------------|
D|-6-6-6-6-6--9-9-9-9-9-9-4-4-|
A|-4-4-4-4-4--7-7-7-7-7-7-2-2-|
E|----------------------------|

There you go!
It is very simple.
Listen to the song to find out when to play these.