import java.util.Scanner;

public class Main {

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

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

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

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

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int h = Integer.parseInt(sc.next());
        int n = Integer.parseInt(sc.next());
        long sum = 0;
        for (int i = 0; i < n; i++) {
            sum += Integer.parseInt(sc.next());
        }
        if (sum >= h) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
}
