Need script help asap! extremely difficult script!

[DnALANGE]

Hmm... if it's impossible i have to cancel this issue!

Let me simply explane i have 12 scriptare's
1 2 3 4 5 6 7 8 9 0 & Cancel and Accept

The cancel works fine..

I would like a script that alllows this : -->

4 numbers... for example 2013

BUT after that player must push ACCEPT for cpmplete the task. { open a door }


There is something that may NOT happen like above here is said.

people may not try severals numbers.

So when 4 times = pressed , so 4 wrong numbers -> a sound will appear ans the script need to be reset to start over again..

I have no idea if anyone could fix that?