import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int h = in.nextInt();
        int n = in.nextInt();
        for (; n > 0; n--) h -= in.nextInt();
        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 in = new Scanner(System.in);
        int h = in.nextInt();
        int n = in.nextInt();
        for (; n > 0; n--) h -= in.nextInt();
        if (h <= 0)
            System.out.println("Yes");
        else
            System.out.println("No");

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

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

    } Scanner in = new Scanner(System.in); in new Scanner(System.in) int h = in.nextInt(); h in.nextInt() in.nextInt in int n = in.nextInt(); n in.nextInt() in.nextInt in for (; n > 0; n--) h -= in.nextInt(); ; n > 0 n 0 n-- n-- n h -= in.nextInt(); h -= in.nextInt() h in.nextInt() in.nextInt in if (h <= 0)
            System.out.println("Yes");
        else
            System.out.println("No"); h <= 0 h 0 System.out.println("Yes") System.out.println System.out System System.out "Yes" 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 in = new Scanner(System.in);
        int h = in.nextInt();
        int n = in.nextInt();
        for (; n > 0; n--) h -= in.nextInt();
        if (h <= 0)
            System.out.println("Yes");
        else
            System.out.println("No");

    }
} public class Main {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int h = in.nextInt();
        int n = in.nextInt();
        for (; n > 0; n--) h -= in.nextInt();
        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 in = new Scanner(System.in);
        int h = in.nextInt();
        int n = in.nextInt();
        for (; n > 0; n--) h -= in.nextInt();
        if (h <= 0)
            System.out.println("Yes");
        else
            System.out.println("No");

    }
}
