import java.util.Scanner

object Main{
  val sc = new Scanner(System.in)
  def main(args: Array[String]): Unit ={
    val n = sc.nextInt
    val l = List.fill(n)(sc.nextInt)
    val sum = l.sum

    val res = l.forall{ i =>i * 2 < sum}

    println(if(res) "Yes" else "No")
  }
}