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


