but i saw them play it live with guitars and i thoguth it sounded much better, so here
the chords, and if u want to see a vid of how the played it, go to youtube and type in 
song name, enjoy

Intro/verse 1&2
E]-0-0-0-0-2-2-0-0-|
a]-2-2-2-2-2-2-0-0-|
d]-2-2-2-2-4-4-2-2-|
g]-1-1-1-1-4-4-2-2-|
b]-0-0-0-0-0-0-0-0-|
e]-0-0-0-0-0-0-0-0-|

Chorus
E]-4-4---2-2---0---4-4---0-0---2~
a]-4-4---2-2---0---4-4---0-0---2~
d]-6-6---4-4---2---6-6---2-2---4~
g]-6-6---4-4---2---6-6---2-2---4~
b]-0-0---0-0---0---0-0---0-0---0~
e]-0-0---0-0---0---0-0---0-0---0~

then repeat verse, chorus then into this part.

(as long as shes perfectly fine)
E]-0---2---0-|
a]-2---2---0-|
d]-2---4---2-|
g]-1---4---2-|
b]-0---0---0-|
e]-0---0---0-|

play that twice and then into the breakdown

E]-4-4-4-2-2-2-0-0-0-0-0-0-|
a]-4-4-4-2-2-2-0-0-0-0-0-0-|
d]-6-7-6-4-6-4-2-4-6-2-4-6-|
g]-6-6-6-4-4-4-2-4-6-2-4-6-|
b]-0-0-0-0-0-0-0-0-0-0-0-0-|
e]-0-0-0-0-0-0-0-0-0-0-0-0-|

then repeat chorus and the post chorus and end on 0-2-2-1-0-0

note:if you want to play it like the piano, pick the chords out the way it sounds in the
and add these little parts in between

E]------------------------------------|
a]------------------------------------|
d]------------------------------------|
g]------------------------------------|
b]----------------------------7-5-4-5-|
e]-7-5-4-0--7-5-4-0--7-5-4-5----------|