let () =
  let n = read_int () in
  let rec doit i =
    if i > n then ()
    else begin
      if i mod (3*5) = 0 then print_endline "FizzBuzz"
      else if i mod 3 = 0 then print_endline "Fizz"
      else if i mod 5 = 0 then print_endline "Buzz"
      else Printf.printf "%d\n" i;
      doit (i + 1)
    end in
  doit 1