Scanf.scanf "%d" (fun n ->
    let factor k =
        let rec loop r i acc =
            if r = 1 then acc else
            if i * i > r then 1 lxor acc else
            if r mod i <> 0 then loop r (i + 1) acc else
                 let rec loop2 r c =
                    if r mod i = 0 then loop2 (r / i) (c + 1) else
                        loop r (i + 1) (c lxor acc)
                 in
                 loop2 r 0
        in
        loop k 2 0
    in
    print_endline @@ if factor n = 0 then "Bob" else "Alice"
)