import java.util.*;
public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int[] l = new int[n];
    int max = 0;
    int pnt = -1;
    for(int i = 0;i<n;i++){
      l[i] = sc.nextInt();
      if(max < l[i]){
        max = l[i];
        pnt = i;
      }
    }
    int total = 0;
    for(int i = 0;i<n;i++){
      if(i == pnt)continue;
      total+=l[i];
    }
    if(max<total){
      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