import 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++) {
            hp -= sc.nextInt();
            if (hp <= 0)
                break;
        }
        System.out.println(hp <= 0 ? "Yes" : "No");
    }
} import java.util.*; util.* java 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++) {
            hp -= sc.nextInt();
            if (hp <= 0)
                break;
        }
        System.out.println(hp <= 0 ? "Yes" : "No");
    }
} 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++) {
            hp -= sc.nextInt();
            if (hp <= 0)
                break;
        }
        System.out.println(hp <= 0 ? "Yes" : "No");
    } main {
        Scanner sc = new Scanner(System.in);
        int hp = sc.nextInt();
        int n = sc.nextInt();
        for (int i = 0; i < n; i++) {
            hp -= sc.nextInt();
            if (hp <= 0)
                break;
        }
        System.out.println(hp <= 0 ? "Yes" : "No");
    } 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++) {
            hp -= sc.nextInt();
            if (hp <= 0)
                break;
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            hp -= sc.nextInt();
            if (hp <= 0)
                break;
        } {
            hp -= sc.nextInt();
            if (hp <= 0)
                break;
        } hp -= sc.nextInt() hp sc.nextInt() sc.nextInt sc if (hp <= 0)
                break; hp <= 0 hp 0 break; System.out.println(hp <= 0 ? "Yes" : "No") System.out.println System.out System System.out hp <= 0 ? "Yes" : "No" hp <= 0 hp 0 "Yes" "No" 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++) {
            hp -= sc.nextInt();
            if (hp <= 0)
                break;
        }
        System.out.println(hp <= 0 ? "Yes" : "No");
    }
} 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++) {
            hp -= sc.nextInt();
            if (hp <= 0)
                break;
        }
        System.out.println(hp <= 0 ? "Yes" : "No");
    }
} Main
import 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++) {
            hp -= sc.nextInt();
            if (hp <= 0)
                break;
        }
        System.out.println(hp <= 0 ? "Yes" : "No");
    }
}