open System


[<EntryPoint>]
let main argv =
    let N=stdin.ReadLine()
    let L = stdin.ReadLine().Split()|>Array.map int64
    L
    |>Array.sum
    |>fun c -> (c- 2L*(Array.max L))
    |>fun c -> if c>0L then "Yes" else "No"
    |>stdout.WriteLine
    0
