import java.util.*;
import java.math.*;
import java.lang.*;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int n = sc.nextInt();
		int maxLength = 0;	
		int sum =0;
		for(int i=0;i<n;i++){
			int l = sc.nextInt();
			maxLength = Math.max(l, maxLength);
			sum +=l;
		}

		if(sum-maxLength >maxLength){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}


	}
} import java.util.*; util.* java import java.math.*; math.* java import java.lang.*; lang.* java public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int n = sc.nextInt();
		int maxLength = 0;	
		int sum =0;
		for(int i=0;i<n;i++){
			int l = sc.nextInt();
			maxLength = Math.max(l, maxLength);
			sum +=l;
		}

		if(sum-maxLength >maxLength){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}


	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int n = sc.nextInt();
		int maxLength = 0;	
		int sum =0;
		for(int i=0;i<n;i++){
			int l = sc.nextInt();
			maxLength = Math.max(l, maxLength);
			sum +=l;
		}

		if(sum-maxLength >maxLength){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}


	} main {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int n = sc.nextInt();
		int maxLength = 0;	
		int sum =0;
		for(int i=0;i<n;i++){
			int l = sc.nextInt();
			maxLength = Math.max(l, maxLength);
			sum +=l;
		}

		if(sum-maxLength >maxLength){
			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 maxLength = 0; maxLength 0 int sum =0; sum 0 for(int i=0;i<n;i++){
			int l = sc.nextInt();
			maxLength = Math.max(l, maxLength);
			sum +=l;
		} int i=0; int i=0; i 0 i<n i n i++ i++ i {
			int l = sc.nextInt();
			maxLength = Math.max(l, maxLength);
			sum +=l;
		} {
			int l = sc.nextInt();
			maxLength = Math.max(l, maxLength);
			sum +=l;
		} int l = sc.nextInt(); l sc.nextInt() sc.nextInt sc maxLength = Math.max(l, maxLength) maxLength Math.max(l, maxLength) Math.max Math l maxLength sum +=l sum l if(sum-maxLength >maxLength){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		} sum-maxLength >maxLength sum-maxLength sum maxLength maxLength {
			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);
		// 整数の入力
		int n = sc.nextInt();
		int maxLength = 0;	
		int sum =0;
		for(int i=0;i<n;i++){
			int l = sc.nextInt();
			maxLength = Math.max(l, maxLength);
			sum +=l;
		}

		if(sum-maxLength >maxLength){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}


	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int n = sc.nextInt();
		int maxLength = 0;	
		int sum =0;
		for(int i=0;i<n;i++){
			int l = sc.nextInt();
			maxLength = Math.max(l, maxLength);
			sum +=l;
		}

		if(sum-maxLength >maxLength){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}


	}
} Main
import java.util.*;
import java.math.*;
import java.lang.*;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int n = sc.nextInt();
		int maxLength = 0;	
		int sum =0;
		for(int i=0;i<n;i++){
			int l = sc.nextInt();
			maxLength = Math.max(l, maxLength);
			sum +=l;
		}

		if(sum-maxLength >maxLength){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}


	}
}
