One of the easiest songs i know,but also one of the best.
Intro
e|-----------------------------------------------|
B|-----------------------------------------------|
G|--5---5-------7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7--|
D|--5---5-5---5-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7--|
A|--3---3-5---5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5--|
E|--------3---3----------------------------------|
Main Riff
e|----------------------------------------------------------------------|
B|----------------------------------------------------------------------|
G|--5-5-5-5-5-5-5-5-------------------7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-|
D|--5-5-5-5-5-5-5-5--5-5-5-5-5-5-5-5--7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-|
A|--3-3-3-3-3-3-3-3--5-5-5-5-5-5-5-5--5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-|
E|-------------------3-3-3-3-3-3-3-3------------------------------------|
and thats basically it...