Burning games help (best answer)?

im just using this game as a tester. i just got a used ps2 and it came with super monkey ball. (im gettin my ps2 modded) so i put super monkey ball on my computer using dvd decrypter and it gave me 2 files a iso and a mds. (the iso is 2gb) and (the mds is 4mb).... now do i just put th iso on the disk or just the mds OR both????? thanks for the help