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++){
      int attack = sc.nextInt();
      Hp = Hp - attack;
    }

    if(Hp > 0){
      System.out.println("No");
    }else{
      System.out.println("Yes");
    }
  }
} 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++){
      int attack = sc.nextInt();
      Hp = Hp - attack;
    }

    if(Hp > 0){
      System.out.println("No");
    }else{
      System.out.println("Yes");
    }
  }
} 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++){
      int attack = sc.nextInt();
      Hp = Hp - attack;
    }

    if(Hp > 0){
      System.out.println("No");
    }else{
      System.out.println("Yes");
    }
  } main {

    Scanner sc = new Scanner(System.in);

    int Hp = sc.nextInt();
    int N = sc.nextInt();

    for(int i = 0; i < N; i++){
      int attack = sc.nextInt();
      Hp = Hp - attack;
    }

    if(Hp > 0){
      System.out.println("No");
    }else{
      System.out.println("Yes");
    }
  } 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++){
      int attack = sc.nextInt();
      Hp = Hp - attack;
    } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
      int attack = sc.nextInt();
      Hp = Hp - attack;
    } {
      int attack = sc.nextInt();
      Hp = Hp - attack;
    } int attack = sc.nextInt(); attack sc.nextInt() sc.nextInt sc Hp = Hp - attack Hp Hp - attack Hp attack if(Hp > 0){
      System.out.println("No");
    }else{
      System.out.println("Yes");
    } Hp > 0 Hp 0 {
      System.out.println("No");
    } System.out.println("No") System.out.println System.out System System.out "No" {
      System.out.println("Yes");
    } System.out.println("Yes") System.out.println System.out System System.out "Yes" 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++){
      int attack = sc.nextInt();
      Hp = Hp - attack;
    }

    if(Hp > 0){
      System.out.println("No");
    }else{
      System.out.println("Yes");
    }
  }
} 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++){
      int attack = sc.nextInt();
      Hp = Hp - attack;
    }

    if(Hp > 0){
      System.out.println("No");
    }else{
      System.out.println("Yes");
    }
  }
} 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++){
      int attack = sc.nextInt();
      Hp = Hp - attack;
    }

    if(Hp > 0){
      System.out.println("No");
    }else{
      System.out.println("Yes");
    }
  }
}