import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		int[] l = new int[n];
		for (int i = 0; i < n; i++)
			l[i] = in.nextInt();
		
		int max = 0;
		int sum = 0;
		for (int i = 0; i < n; i++) {
			max = Math.max(max, l[i]);
			sum += l[i];
		}
		
		sum -= max;
		
		if (max < sum)
			System.out.println("Yes");
		else
			System.out.println("No");

	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		int[] l = new int[n];
		for (int i = 0; i < n; i++)
			l[i] = in.nextInt();
		
		int max = 0;
		int sum = 0;
		for (int i = 0; i < n; i++) {
			max = Math.max(max, l[i]);
			sum += l[i];
		}
		
		sum -= max;
		
		if (max < sum)
			System.out.println("Yes");
		else
			System.out.println("No");

	}

} Main public static void main(String[] args) {
		
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		int[] l = new int[n];
		for (int i = 0; i < n; i++)
			l[i] = in.nextInt();
		
		int max = 0;
		int sum = 0;
		for (int i = 0; i < n; i++) {
			max = Math.max(max, l[i]);
			sum += l[i];
		}
		
		sum -= max;
		
		if (max < sum)
			System.out.println("Yes");
		else
			System.out.println("No");

	} main {
		
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		int[] l = new int[n];
		for (int i = 0; i < n; i++)
			l[i] = in.nextInt();
		
		int max = 0;
		int sum = 0;
		for (int i = 0; i < n; i++) {
			max = Math.max(max, l[i]);
			sum += l[i];
		}
		
		sum -= max;
		
		if (max < sum)
			System.out.println("Yes");
		else
			System.out.println("No");

	} Scanner in = new Scanner(System.in); in new Scanner(System.in) int n = in.nextInt(); n in.nextInt() in.nextInt in int[] l = new int[n]; l new int[n] n for (int i = 0; i < n; i++)
			l[i] = in.nextInt(); int i = 0; int i = 0; i 0 i < n i n i++ i++ i l[i] = in.nextInt(); l[i] = in.nextInt() l[i] l i in.nextInt() in.nextInt in int max = 0; max 0 int sum = 0; sum 0 for (int i = 0; i < n; i++) {
			max = Math.max(max, l[i]);
			sum += l[i];
		} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
			max = Math.max(max, l[i]);
			sum += l[i];
		} {
			max = Math.max(max, l[i]);
			sum += l[i];
		} max = Math.max(max, l[i]) max Math.max(max, l[i]) Math.max Math max l[i] l i sum += l[i] sum l[i] l i sum -= max sum max if (max < sum)
			System.out.println("Yes");
		else
			System.out.println("No"); max < sum max sum System.out.println("Yes") System.out.println System.out System System.out "Yes" System.out.println("No") System.out.println System.out System System.out "No" String[] args args public class Main {

	public static void main(String[] args) {
		
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		int[] l = new int[n];
		for (int i = 0; i < n; i++)
			l[i] = in.nextInt();
		
		int max = 0;
		int sum = 0;
		for (int i = 0; i < n; i++) {
			max = Math.max(max, l[i]);
			sum += l[i];
		}
		
		sum -= max;
		
		if (max < sum)
			System.out.println("Yes");
		else
			System.out.println("No");

	}

} public class Main {

	public static void main(String[] args) {
		
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		int[] l = new int[n];
		for (int i = 0; i < n; i++)
			l[i] = in.nextInt();
		
		int max = 0;
		int sum = 0;
		for (int i = 0; i < n; i++) {
			max = Math.max(max, l[i]);
			sum += l[i];
		}
		
		sum -= max;
		
		if (max < sum)
			System.out.println("Yes");
		else
			System.out.println("No");

	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		int[] l = new int[n];
		for (int i = 0; i < n; i++)
			l[i] = in.nextInt();
		
		int max = 0;
		int sum = 0;
		for (int i = 0; i < n; i++) {
			max = Math.max(max, l[i]);
			sum += l[i];
		}
		
		sum -= max;
		
		if (max < sum)
			System.out.println("Yes");
		else
			System.out.println("No");

	}

}