let list_of_string str =
    let l = String.length str in
    let rec iter i lst =
        if i >= l then lst
        else iter (i+1) ((int_of_char str.[i] - 48) :: lst) in
    iter 0 []
let rec f lst = match lst with
    | [] -> 0
    | h :: t ->
        if h mod 3 = 0 && h mod 5 = 0 then 8 + f t
        else if h mod 3 = 0 || h mod 5 = 0 then 4 + f t
        else List.length(list_of_string(string_of_int h)) + f t
let () =
    let lst = Scanf.scanf "%d %d %d %d %d\n" (fun a b c d e -> [a; b; c; d; e]) in
    Printf.printf "%d\n" (f lst)