Scanf.scanf "%s %d" (fun s t ->
    let a = [| "XII"; "I"; "II"; "III"; "IIII"; "V"; "VI"; "VII"; "VIII"; "IX"; "X"; "XI" |] in
    let rec loop i =
        if a.(i) = s then i else loop (i + 1)
    in
    let cur = loop 0 in
    print_endline @@ a.((cur + t + 12000) mod 12)
)