For YOUR ID number, the codes are:
I'm not sure if these are for Red/Blue or Yellow; if they don't work with your Red cart try:
To modify the ID number for the Pokémon in the top spot, use:
To find out what to put in the "XX", take the number you want to use, for example, 12345. On your computer, go to the Windows Calculator accessory. Under the View menu choose "Scientific". Now, type in the number, and hit the option for HEX. Now you get 3039. Put the first 2 numbers in the first code, and the last 2 in the second code.
Hope this helps
Go! CHOC. MILK!
Enemy JOLTEON used THUNDERBOLT!
It doesn't affect CHOC. MILK!
CHOC. MILK used EARTHQUAKE!
* JOLTEON faints *