let n = stdin.ReadLine() |> int

let fb = function
  | x when x % 15 = 0 -> printfn "FizzBuzz"
  | x when x % 3 = 0 -> printfn "Fizz"
  | x when x % 5 = 0 -> printfn "Buzz"
  | x -> printfn "%d" x

List.iter fb [1..n]