import java.io.FileNotFoundException;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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.io.FileNotFoundException; FileNotFoundException java.io import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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 {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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.io.FileNotFoundException;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		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");
		}
	}
}
