How do i beat Foxy.exe?

[Jamie/Susie]

Each time I get to the third part, the cats always kill me no matter what i do

[KEI]

try standing on a blue shadow, and brighten up your laptop's brightness so you can see it better

[3420]

"Be sure you step through the hearts of madness"
Those hearts of madness are dark blue shadows.

[NIИ]

Listen to his voice, and you will find the key.