import java.util.*;
class Main {
  public static void main(String[] args) {
    
    Scanner scan = new Scanner(System.in);
    int n= scan.nextInt();
    ArrayList<Integer> a = new ArrayList<>();
    for(int i =0 ; i < n ; i++){
      a.add(scan.nextInt());
    }
    int max = a.remove(a.indexOf(Collections.max(a, null)));
    int sum = 0;
    for(int x : a){
      sum+=x;
    }
    if(sum>max){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
  }
}

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz