let () =
    let a = Array.init 3 (fun _ -> Scanf.scanf " %d" (fun a -> a)) in
    let b = Array.init 3 (fun _ -> Scanf.scanf " %d" (fun a -> a)) in
    let check i j =
        let check2 arr =
            arr.(0) <> arr.(1) && arr.(1) <> arr.(2) && arr.(2) <> arr.(0) && (
                (arr.(1) < arr.(0) && arr.(1) < arr.(2)) ||
                (arr.(1) > arr.(0) && arr.(1) > arr.(2))
            )

        in
        let a = Array.copy a in
        let b = Array.copy b in
        let c = a.(i) in
        a.(i) <- b.(j);
        b.(j) <- c;
        check2 a && check2 b
    in
    let rec loop i j =
        if j = 3 then false else
        if i = 3 then loop 0 (j + 1) else
            if check i j then true else loop (i + 1) j
    in
    print_endline @@ if loop 0 0 then "Yes" else "No"