defmodule Main do
    def getsAll(device \\ :stdio, prompt), do: getsAll(device, prompt, "")
    defp getsAll(device, prompt, input) do
        x = IO.gets(device, prompt)
        case x do
            {:error, _} -> x
            :eof -> input
            _ -> getsAll(device, prompt, input <> x)
        end
    end
    def fizzbuzz(n) do
        cond do
            rem(n, 3) == 0 and rem(n, 5) == 0 -> "FizzBuzz"
            rem(n, 3) == 0 -> "Fizz"
            rem(n, 5) == 0 -> "Buzz"
            true -> to_string(n)
        end
    end
    def main do

        inputs = getsAll(nil) |> String.split

        n = inputs |> Enum.at(0) |> String.to_integer

        for x <- 1..n, do: IO.puts fizzbuzz(x)

    end
end