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

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

}