let () =
    let split s =
        let rec loop i cur flag acc =
            if i = String.length s then ( if flag then cur :: acc else acc) else (
                match flag, s.[i] with
                | true,  ' ' -> loop (i + 1) "" false (cur :: acc)
                | false, ' ' -> loop (i + 1) "" false acc
                | true,  v   -> loop (i + 1) (Printf.sprintf "%s%c" cur v) true acc
                | false, v   -> loop (i + 1) (Printf.sprintf "%s%c" cur v) true acc
            )
        in
        List.map int_of_string (List.rev (loop 0 "" false []))
    in
    let main () =
        let n = int_of_string (read_line ()) in
        let a = Array.of_list (split (read_line ())) in
        let flag = if n = 3 then (
            a.(0) lxor a.(1) lxor a.(2) = 0
        ) else Array.fold_left (+) 0 a = 0
        in
        print_endline (if flag then "Yes" else "No")
    in
    main ()