# returns Fizz if n is divisible by 3,
# Buzz if n is divisible by 5,
# FizzBuzz if n is divisible by 3 and 5,
# n as a string otherwise
def fizzbuzz(n)
if =(+(mod(n 3) mod(n 5)) 0)
"FizzBuzz"
elif =(mod(n 3) 0)
"Fizz"
elif =(mod(n 5) 0)
"Buzz"
else
string(n)
end
end
def main()
display(map(fizzbuzz ..(1 20)))
end