#! /usr/bin/awk -f

BEGIN {
    fizz = "Fizz"; buzz = "Buzz"; fizzbuzz = "FizzBuzz"
    for (i = 1; i <= 30; i++) {
        f = i % 3 ? 0 : 1
        b = i % 5 ? 0 : 2
        print f ? b ? fizzbuzz : fizz : b ? buzz : i
    }
}