Riff !
G-------------------------------------
D-------------------------------------
A---------------------------------5555
E-0-000-3-3-0-000-3-3-0-000-3-3-0-----

RIFF 2
G-------------------------------------------
D-------------------------------------------
A-0-0-0-0-0-0-0-0---------------------------
E----------------33-3-3-3-0-00-0-0-33-3-33-3

That is the whole song.  Just play these Riffs and that will be all you need