import java.util.*;

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

        int n = sc.nextInt();
        Integer[] L = new Integer[n];

        for (int i = 0; i < L.length; i++) {
            L[i] = sc.nextInt();
        }
        Arrays.sort(L, Collections.reverseOrder());

        int sum = 0;
        for (int i = 1; i < L.length; i++) {
            sum += L[i];
        }
        if(L[0] < 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