import java.util.Arrays;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        final Scanner sc = new Scanner(System.in);

        int N = Integer.parseInt(sc.next());
        int[] L = new int[N];
        int max;
        int tmp = 0;

        for (int i = 0; i < N; i++) {
            L[i] = Integer.parseInt(sc.next());
        }
        Arrays.sort(L);

        max = L[L.length - 1];
        for (int i = 0; i < N-1; i++) {
           tmp += L[i];
        }

        if (max < tmp) {
            System.out.print("Yes");
        } else {
            System.out.print("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