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