ProMagma

I-I-I I've got a migraine 
And my pain will range from up, down, and sideways 
Thank --- it's Friday cause Fridays will always be better than Sundays 
'Cause Sundays are my ------- days…

I thought I got it, but he has a lot more evidence...

Here is the answer, but all of the work may take a little to type in.

Now pick another 4 digit number.

Okay, your "Future Number" will be 25874