import java.util.*;
import java.io.*;

public class Main{
  public static void main(String[] args) throws Exception{
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    int n = Integer.parseInt(br.readLine());
    String[] s = br.readLine().split(" ");
    int[] a = new int[10];
    for(int i = 0; i < n; i++){
      a[i] = Integer.parseInt(s[i]);
    }
    
    int max = 0;
    int sum = 0;
    for(int i = 0; i < n; i++){
      sum += a[i];
      max = Math.max(max, a[i]);
    }
    
    if(max < 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