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

        if(hp <= sum){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
        
       


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

        if(hp <= sum){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
        
       


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

        if(hp <= sum){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
        
       


    
	} main {
        Scanner sc = new Scanner(System.in);
        Random rand = new Random();
		// 整数の入力
        int hp= sc.nextInt();
        int n = sc.nextInt();
        int sum = 0;
        for(int i = 0; i < n ; i++ ){
            sum += sc.nextInt();
        }

        if(hp <= sum){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
        
       


    
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) Random rand = new Random(); rand new Random() int hp= sc.nextInt(); hp sc.nextInt() sc.nextInt sc int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int sum = 0; sum 0 for(int i = 0; i < n ; i++ ){
            sum += sc.nextInt();
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            sum += sc.nextInt();
        } {
            sum += sc.nextInt();
        } sum += sc.nextInt() sum sc.nextInt() sc.nextInt sc if(hp <= sum){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        } hp <= sum hp sum {
            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);
        Random rand = new Random();
		// 整数の入力
        int hp= sc.nextInt();
        int n = sc.nextInt();
        int sum = 0;
        for(int i = 0; i < n ; i++ ){
            sum += sc.nextInt();
        }

        if(hp <= sum){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
        
       


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

        if(hp <= sum){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
        
       


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

        if(hp <= sum){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
        
       


    
	}
}