import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int n = sc.nextInt();
		int sum = 0;

		for(int i = 0; i < n ; i++) {
			sum += sc.nextInt();
		}

		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 = sc.nextInt();
		int n = sc.nextInt();
		int sum = 0;

		for(int i = 0; i < n ; i++) {
			sum += sc.nextInt();
		}

		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 = sc.nextInt();
		int n = sc.nextInt();
		int sum = 0;

		for(int i = 0; i < n ; i++) {
			sum += sc.nextInt();
		}

		if(sum >= h) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	} main {

		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int n = sc.nextInt();
		int sum = 0;

		for(int i = 0; i < n ; i++) {
			sum += sc.nextInt();
		}

		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 = sc.nextInt(); h sc.nextInt() sc.nextInt sc int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int sum = 0; sum 0 for(int i = 0; i < n ; i++) {
			sum += sc.nextInt();
		} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
			sum += sc.nextInt();
		} {
			sum += sc.nextInt();
		} sum += sc.nextInt() sum sc.nextInt() sc.nextInt 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 = sc.nextInt();
		int n = sc.nextInt();
		int sum = 0;

		for(int i = 0; i < n ; i++) {
			sum += sc.nextInt();
		}

		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 = sc.nextInt();
		int n = sc.nextInt();
		int sum = 0;

		for(int i = 0; i < n ; i++) {
			sum += sc.nextInt();
		}

		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 = sc.nextInt();
		int n = sc.nextInt();
		int sum = 0;

		for(int i = 0; i < n ; i++) {
			sum += sc.nextInt();
		}

		if(sum >= h) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}

}
