open System open System.Collections.Generic [] module Cin = let read f = stdin.ReadLine() |> f let reada f = stdin.ReadLine().Split() |> Array.map f let readChars() = read string |> Seq.toArray let readInts() = readChars() |> Array.map (fun x -> Convert.ToInt32(x.ToString())) [] module Cout = let writer = new IO.StreamWriter(new IO.BufferedStream(Console.OpenStandardOutput())) let print (s: string) = writer.Write s let println (s: string) = writer.WriteLine s let inline puts (s: ^a) = string s |> println let solve() = let n = read int let a = reada int let b = reada int |> Array.map (fun a -> a - 1) let score = Array.zeroCreate 100 let mutable kScore = 0 for i in 0 .. n - 1 do let n = b.[i] if n = -1 then kScore <- kScore + a.[i] else score.[n] <- score.[n] + a.[i] let nax = Array.max score if kScore >= nax then "YES" else "NO" |> puts () [] let main _ = try solve() with e -> printfn "%s" (e.ToString()) writer.Close() 0 // return an integer exit code