let fb = fun c -> match c with
  | 0 -> "0"
  | c when c mod 15 = 0 -> "FizzBuzz"
  | c when c mod 5  = 0 -> "Buzz"
  | c when c mod 3  = 0 -> "Fizz"
  | _ -> string_of_int c;;

let rec afb = fun l c -> match l <= c with
  | true  -> Printf.printf "%s" (fb c)
  | false ->
      Printf.printf "%s" (fb c) ;
      Printf.printf "%s" "\n" ;
      afb l (1 + c);;
      
let () = Scanf.scanf "%d" (fun x ->
    afb x 0
    
  )