When the flag is clicked it will ask for a username to encode. If you click the cat it will ask for numbers to decode! Enjoy! You can also click on previous encodes/decodes from the list on the right to copy and paste them! I'm 1209130507011326. Comment your number!
I totally didn't use Google AI... https://www.google.com/search?sourceid=chrome&aep=42&source=chrome.crn.rb&q=how+do+i+make+a+scratch+game+where+if+you+type+someones+username+in+it+will+give+it+to+you+but+encoded+in+numbers&mstk=AUtExfBqdo0xqvrWCvjJ_RCT1GWsFWqdh5ByNjG5jhV_d7QcaLxU7lDrFfP6cMo4qVZCVd5z0mxj-VmSqMriUS36YHYtmKDjQ3uZM6We-1rTWLPB8PKc9Xrl1uQL9iyB19LwaCloeuHEjmDFvrofT0jhlerysuqTZNEPngk&csuir=1&lns_mode=cvst&udm=50