I recently installed Gentoo on my computer except it says i need a password but it didn't tell me the password to put in, i dont know what to do

help

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Cody

Computer 1 - Toshiba 4200: Pentium III, 1Gb HD, 128Mb RAM, Win ME

Computer 2 - Optima: Celeron D, 40Gb HD, 512Mb RAM, Win XP