import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int n = Integer.parseInt(scanner.next());
        for (int i = 1; i <= n; i++) {
            h = h - Integer.parseInt(scanner.next());
        }
        if (h <= 0) {
            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 scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int n = Integer.parseInt(scanner.next());
        for (int i = 1; i <= n; i++) {
            h = h - Integer.parseInt(scanner.next());
        }
        if (h <= 0) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
    }
} Main public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int n = Integer.parseInt(scanner.next());
        for (int i = 1; i <= n; i++) {
            h = h - Integer.parseInt(scanner.next());
        }
        if (h <= 0) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
    } main {
        Scanner scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int n = Integer.parseInt(scanner.next());
        for (int i = 1; i <= n; i++) {
            h = h - Integer.parseInt(scanner.next());
        }
        if (h <= 0) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int h = Integer.parseInt(scanner.next()); h Integer.parseInt(scanner.next()) Integer.parseInt Integer scanner.next() scanner.next scanner int n = Integer.parseInt(scanner.next()); n Integer.parseInt(scanner.next()) Integer.parseInt Integer scanner.next() scanner.next scanner for (int i = 1; i <= n; i++) {
            h = h - Integer.parseInt(scanner.next());
        } int i = 1; int i = 1; i 1 i <= n i n i++ i++ i {
            h = h - Integer.parseInt(scanner.next());
        } {
            h = h - Integer.parseInt(scanner.next());
        } h = h - Integer.parseInt(scanner.next()) h h - Integer.parseInt(scanner.next()) h Integer.parseInt(scanner.next()) Integer.parseInt Integer scanner.next() scanner.next scanner if (h <= 0) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        } h <= 0 h 0 {
            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 scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int n = Integer.parseInt(scanner.next());
        for (int i = 1; i <= n; i++) {
            h = h - Integer.parseInt(scanner.next());
        }
        if (h <= 0) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
    }
} public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int n = Integer.parseInt(scanner.next());
        for (int i = 1; i <= n; i++) {
            h = h - Integer.parseInt(scanner.next());
        }
        if (h <= 0) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int h = Integer.parseInt(scanner.next());
        int n = Integer.parseInt(scanner.next());
        for (int i = 1; i <= n; i++) {
            h = h - Integer.parseInt(scanner.next());
        }
        if (h <= 0) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
    }
}