HOW TO RETURN fizzbuzz num:
    PUT "" IN result
    PUT {[3]: "Fizz"; [5]: "Buzz"} IN divwords
    FOR div IN keys divwords:
        IF num mod div=0:
            PUT result^divwords[div] IN result
    IF result="":
        PUT num>>0 IN result
    RETURN result

FOR i IN {1..100}:
    WRITE fizzbuzz i/