import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0; i < n; i ++) {
			l[i] = sc.nextInt();
		}
		sc.close();
		int max = 0;
		int sum = 0;
		for(int i = 0;i < n; i ++) {
			if(max < l[i]) {
				max = l[i];
			}
			sum += l[i];
		}
		if(sum - 2 * max > 0) {
			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 sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0; i < n; i ++) {
			l[i] = sc.nextInt();
		}
		sc.close();
		int max = 0;
		int sum = 0;
		for(int i = 0;i < n; i ++) {
			if(max < l[i]) {
				max = l[i];
			}
			sum += l[i];
		}
		if(sum - 2 * max > 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0; i < n; i ++) {
			l[i] = sc.nextInt();
		}
		sc.close();
		int max = 0;
		int sum = 0;
		for(int i = 0;i < n; i ++) {
			if(max < l[i]) {
				max = l[i];
			}
			sum += l[i];
		}
		if(sum - 2 * max > 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	} main {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0; i < n; i ++) {
			l[i] = sc.nextInt();
		}
		sc.close();
		int max = 0;
		int sum = 0;
		for(int i = 0;i < n; i ++) {
			if(max < l[i]) {
				max = l[i];
			}
			sum += l[i];
		}
		if(sum - 2 * max > 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int[] l = new int[n]; l new int[n] n for(int i = 0; i < n; i ++) {
			l[i] = sc.nextInt();
		} int i = 0; int i = 0; i 0 i < n i n i ++ i ++ i {
			l[i] = sc.nextInt();
		} {
			l[i] = sc.nextInt();
		} l[i] = sc.nextInt() l[i] l i sc.nextInt() sc.nextInt sc sc.close() sc.close sc int max = 0; max 0 int sum = 0; sum 0 for(int i = 0;i < n; i ++) {
			if(max < l[i]) {
				max = l[i];
			}
			sum += l[i];
		} int i = 0; int i = 0; i 0 i < n i n i ++ i ++ i {
			if(max < l[i]) {
				max = l[i];
			}
			sum += l[i];
		} {
			if(max < l[i]) {
				max = l[i];
			}
			sum += l[i];
		} if(max < l[i]) {
				max = l[i];
			} max < l[i] max l[i] l i {
				max = l[i];
			} max = l[i] max l[i] l i sum += l[i] sum l[i] l i if(sum - 2 * max > 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		} sum - 2 * max > 0 sum - 2 * max sum 2 * max 2 max 0 {
			System.out.println("Yes");
		} System.out.println("Yes") System.out.println System.out System System.out "Yes" {
			System.out.println("No");
		} 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 sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0; i < n; i ++) {
			l[i] = sc.nextInt();
		}
		sc.close();
		int max = 0;
		int sum = 0;
		for(int i = 0;i < n; i ++) {
			if(max < l[i]) {
				max = l[i];
			}
			sum += l[i];
		}
		if(sum - 2 * max > 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0; i < n; i ++) {
			l[i] = sc.nextInt();
		}
		sc.close();
		int max = 0;
		int sum = 0;
		for(int i = 0;i < n; i ++) {
			if(max < l[i]) {
				max = l[i];
			}
			sum += l[i];
		}
		if(sum - 2 * max > 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
} Main
import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] l = new int[n];
		for(int i = 0; i < n; i ++) {
			l[i] = sc.nextInt();
		}
		sc.close();
		int max = 0;
		int sum = 0;
		for(int i = 0;i < n; i ++) {
			if(max < l[i]) {
				max = l[i];
			}
			sum += l[i];
		}
		if(sum - 2 * max > 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}
}
