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