import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * メインクラス
 *
 */
public class Main {

	/**
	 * メインメソッド
	 * @param args
	 * @throws IOException
	 */
	public static void main(String[] args) throws IOException {

		// 標準入力を取得
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String line = br.readLine();

		long N = Long.parseLong(line);

		List<Long> ls = new ArrayList<Long>();
		line = br.readLine();
		for (String s : line.split(" ")) {
			ls.add(Long.valueOf(s));
		}
		Collections.sort(ls);

		long max = ls.get(ls.size() - 1);
		long others = 0;

		for (int i = 0; i < ls.size() - 1; i++) {
			others += ls.get(i);
		}

		if (max < others) {
			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