
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.Arrays;
import java.util.Scanner;

public class Main {

  public static void main(String[] args) throws FileNotFoundException {

//    Scanner cin = new Scanner(new FileReader("input.txt"));
    Scanner cin = new Scanner(System.in);

    int n = cin.nextInt();
    int[] len = new int[n];

    for (int i=0;i<n;i++) {
      len[i] = cin.nextInt();
    }

    Arrays.sort(len);

    int max = len[len.length-1];
    int sum = 0;
    for (int i=0;i<n-1;i++) {
      sum+=len[i];
    }
    if (max < sum) {
      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