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());
		int[] a = new int[n];
		int sum = 0;

		for (int i = 0; i < n; i++) {
			a[i] = Integer.parseInt(sc.next());
			sum += a[i];
		}
		if (sum >= h) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

		sc.close();
	}
} 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());
		int[] a = new int[n];
		int sum = 0;

		for (int i = 0; i < n; i++) {
			a[i] = Integer.parseInt(sc.next());
			sum += a[i];
		}
		if (sum >= h) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

		sc.close();
	}
} 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());
		int[] a = new int[n];
		int sum = 0;

		for (int i = 0; i < n; i++) {
			a[i] = Integer.parseInt(sc.next());
			sum += a[i];
		}
		if (sum >= h) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

		sc.close();
	} main {
		Scanner sc = new Scanner(System.in);

		int h = Integer.parseInt(sc.next());
		int n = Integer.parseInt(sc.next());
		int[] a = new int[n];
		int sum = 0;

		for (int i = 0; i < n; i++) {
			a[i] = Integer.parseInt(sc.next());
			sum += a[i];
		}
		if (sum >= h) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

		sc.close();
	} 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 int[] a = new int[n]; a new int[n] n int sum = 0; sum 0 for (int i = 0; i < n; i++) {
			a[i] = Integer.parseInt(sc.next());
			sum += a[i];
		} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
			a[i] = Integer.parseInt(sc.next());
			sum += a[i];
		} {
			a[i] = Integer.parseInt(sc.next());
			sum += a[i];
		} a[i] = Integer.parseInt(sc.next()) a[i] a i Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc sum += a[i] sum a[i] a i 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" sc.close() sc.close sc 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());
		int[] a = new int[n];
		int sum = 0;

		for (int i = 0; i < n; i++) {
			a[i] = Integer.parseInt(sc.next());
			sum += a[i];
		}
		if (sum >= h) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

		sc.close();
	}
} 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());
		int[] a = new int[n];
		int sum = 0;

		for (int i = 0; i < n; i++) {
			a[i] = Integer.parseInt(sc.next());
			sum += a[i];
		}
		if (sum >= h) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

		sc.close();
	}
} 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());
		int[] a = new int[n];
		int sum = 0;

		for (int i = 0; i < n; i++) {
			a[i] = Integer.parseInt(sc.next());
			sum += a[i];
		}
		if (sum >= h) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

		sc.close();
	}
}