open System

let ri () = stdin.ReadLine() |> int
let ria () = stdin.ReadLine().Split() |> Array.map int

type Sol() =
    member this.Solve() = 
        let N = ri ()
        let f n =
            match n with 
            | n when (n % 15) = 0 -> "FizzBuzz"
            | n when (n % 3) = 0 -> "Fizz"
            | n when (n % 5) = 0 -> "Buzz"
            | _ -> n |> string
        
        [1..N] |> Seq.map f |> Seq.iter (printfn "%s")
        
        ()
let mySol = new Sol()
mySol.Solve()