import java.util.*;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      	//数値の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
      	//配列
      	List<Integer> list = new ArrayList<>();
        for(int i = 0; i < n; i++){
        	list.add(sc.nextInt());
        }
      	//1回ずつ必殺技を使いHPを減らす
      	for(int i=0; i<n; i++) {
      	h -= list.get(i);
        }
      if(h <= 0) {
        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);
      	//数値の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
      	//配列
      	List<Integer> list = new ArrayList<>();
        for(int i = 0; i < n; i++){
        	list.add(sc.nextInt());
        }
      	//1回ずつ必殺技を使いHPを減らす
      	for(int i=0; i<n; i++) {
      	h -= list.get(i);
        }
      if(h <= 0) {
        System.out.println("Yes");       
      }else{
        System.out.println("No");    
      }
     }
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      	//数値の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
      	//配列
      	List<Integer> list = new ArrayList<>();
        for(int i = 0; i < n; i++){
        	list.add(sc.nextInt());
        }
      	//1回ずつ必殺技を使いHPを減らす
      	for(int i=0; i<n; i++) {
      	h -= list.get(i);
        }
      if(h <= 0) {
        System.out.println("Yes");       
      }else{
        System.out.println("No");    
      }
     } main {
		Scanner sc = new Scanner(System.in);
      	//数値の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
      	//配列
      	List<Integer> list = new ArrayList<>();
        for(int i = 0; i < n; i++){
        	list.add(sc.nextInt());
        }
      	//1回ずつ必殺技を使いHPを減らす
      	for(int i=0; i<n; i++) {
      	h -= list.get(i);
        }
      if(h <= 0) {
        System.out.println("Yes");       
      }else{
        System.out.println("No");    
      }
     } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int h = sc.nextInt(); h sc.nextInt() sc.nextInt sc int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc List<Integer> list = new ArrayList<>(); list new ArrayList<>() for(int i = 0; i < n; i++){
        	list.add(sc.nextInt());
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
        	list.add(sc.nextInt());
        } {
        	list.add(sc.nextInt());
        } list.add(sc.nextInt()) list.add list sc.nextInt() sc.nextInt sc for(int i=0; i<n; i++) {
      	h -= list.get(i);
        } int i=0; int i=0; i 0 i<n i n i++ i++ i {
      	h -= list.get(i);
        } {
      	h -= list.get(i);
        } h -= list.get(i) h list.get(i) list.get list i if(h <= 0) {
        System.out.println("Yes");       
      }else{
        System.out.println("No");    
      } h <= 0 h 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);
      	//数値の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
      	//配列
      	List<Integer> list = new ArrayList<>();
        for(int i = 0; i < n; i++){
        	list.add(sc.nextInt());
        }
      	//1回ずつ必殺技を使いHPを減らす
      	for(int i=0; i<n; i++) {
      	h -= list.get(i);
        }
      if(h <= 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);
      	//数値の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
      	//配列
      	List<Integer> list = new ArrayList<>();
        for(int i = 0; i < n; i++){
        	list.add(sc.nextInt());
        }
      	//1回ずつ必殺技を使いHPを減らす
      	for(int i=0; i<n; i++) {
      	h -= list.get(i);
        }
      if(h <= 0) {
        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);
      	//数値の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
      	//配列
      	List<Integer> list = new ArrayList<>();
        for(int i = 0; i < n; i++){
        	list.add(sc.nextInt());
        }
      	//1回ずつ必殺技を使いHPを減らす
      	for(int i=0; i<n; i++) {
      	h -= list.get(i);
        }
      if(h <= 0) {
        System.out.println("Yes");       
      }else{
        System.out.println("No");    
      }
     }
}