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];
		
		String ans="";
		
		int max=0;
		int sum=0;
		
		for(int i=0;i<n;i++){
			l[i]=sc.nextInt();
			sum=sum+l[i];
			if(max<l[i])max=l[i];
		}
		
		if(sum-max>max)ans="Yes";
		else ans="No";
		
		
		System.out.println(ans);
	}

} 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];
		
		String ans="";
		
		int max=0;
		int sum=0;
		
		for(int i=0;i<n;i++){
			l[i]=sc.nextInt();
			sum=sum+l[i];
			if(max<l[i])max=l[i];
		}
		
		if(sum-max>max)ans="Yes";
		else ans="No";
		
		
		System.out.println(ans);
	}

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

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

} 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];
		
		String ans="";
		
		int max=0;
		int sum=0;
		
		for(int i=0;i<n;i++){
			l[i]=sc.nextInt();
			sum=sum+l[i];
			if(max<l[i])max=l[i];
		}
		
		if(sum-max>max)ans="Yes";
		else ans="No";
		
		
		System.out.println(ans);
	}

}
