The app will generate all numbers from 1 to the "stop value" you enter.

All numbers divisible by "fizz value" and not "buzz value" will be replaced by the word "Fizz".

All numbers divisible by "buzz value" and not "fizz value" will be replaced by the word "Buzz".

All numbers divisible by both the "fizz value" and "buzz value" will be replaced by the word "FizzBuzz".