Is the game or the ps2 have a problem

Question

i bought a pirated ps2 games 3 years ago and now it still work even there are a lot of scratches but when i bought a new pirated ps2 games at the same store where i bought a game that works until now even with lots of scratches but the new game i bought just always show the play station 2 logo then it shows a dark screen so what is the problem the game or the ps2