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