read int/long from sd card

with looong string of numbers

What the hell is a "looong" string of numbers?

What do you expect the Arduino to do with that value?

i would like to add REAL integers

As opposed to FAKE ones? What the heck does that mean?

from sd card to array like

Yeah, well, pigs would like to fly, too.

but i have no idea how to divide long string to smaller pieces,

Wellyoumightconsiderusingsomedelimitersinsteadofjammingeverythingtogether.