import java.util.Scanner;
 public class Main {
 
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int h = scanner.nextInt();
        int n = scanner.nextInt();

        
      for(int i=0;i<n;i++){
        int a = scanner.nextInt();
      h = h-a;
      }
      if(h<=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 scanner = new Scanner(System.in);
        int h = scanner.nextInt();
        int n = scanner.nextInt();

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

        
      for(int i=0;i<n;i++){
        int a = scanner.nextInt();
      h = h-a;
      }
      if(h<=0){
      System.out.println("Yes");
      }
      else{
      System.out.println("No");
      }
    } main {
        Scanner scanner = new Scanner(System.in);
        int h = scanner.nextInt();
        int n = scanner.nextInt();

        
      for(int i=0;i<n;i++){
        int a = scanner.nextInt();
      h = h-a;
      }
      if(h<=0){
      System.out.println("Yes");
      }
      else{
      System.out.println("No");
      }
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int h = scanner.nextInt(); h scanner.nextInt() scanner.nextInt scanner int n = scanner.nextInt(); n scanner.nextInt() scanner.nextInt scanner for(int i=0;i<n;i++){
        int a = scanner.nextInt();
      h = h-a;
      } int i=0; int i=0; i 0 i<n i n i++ i++ i {
        int a = scanner.nextInt();
      h = h-a;
      } {
        int a = scanner.nextInt();
      h = h-a;
      } int a = scanner.nextInt(); a scanner.nextInt() scanner.nextInt scanner h = h-a h h-a h a 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 scanner = new Scanner(System.in);
        int h = scanner.nextInt();
        int n = scanner.nextInt();

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

        
      for(int i=0;i<n;i++){
        int a = scanner.nextInt();
      h = h-a;
      }
      if(h<=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 scanner = new Scanner(System.in);
        int h = scanner.nextInt();
        int n = scanner.nextInt();

        
      for(int i=0;i<n;i++){
        int a = scanner.nextInt();
      h = h-a;
      }
      if(h<=0){
      System.out.println("Yes");
      }
      else{
      System.out.println("No");
      }
    }
 }
 