import java.util.Scanner;

//AtCoder Beginner Contest 153
//B - Common Raccoon vs Monster
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());
		long sumA = 0;
		for (int i = 0; i < N; i++) {
			sumA += Integer.parseInt(sc.next());
		}
		sc.close();

		if (H <= sumA) {
			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 = Integer.parseInt(sc.next());
		int N = Integer.parseInt(sc.next());
		long sumA = 0;
		for (int i = 0; i < N; i++) {
			sumA += Integer.parseInt(sc.next());
		}
		sc.close();

		if (H <= sumA) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
} 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());
		long sumA = 0;
		for (int i = 0; i < N; i++) {
			sumA += Integer.parseInt(sc.next());
		}
		sc.close();

		if (H <= sumA) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	} main {
		Scanner sc = new Scanner(System.in);
		int H = Integer.parseInt(sc.next());
		int N = Integer.parseInt(sc.next());
		long sumA = 0;
		for (int i = 0; i < N; i++) {
			sumA += Integer.parseInt(sc.next());
		}
		sc.close();

		if (H <= sumA) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	} 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 long sumA = 0; sumA 0 for (int i = 0; i < N; i++) {
			sumA += Integer.parseInt(sc.next());
		} int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
			sumA += Integer.parseInt(sc.next());
		} {
			sumA += Integer.parseInt(sc.next());
		} sumA += Integer.parseInt(sc.next()) sumA Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc sc.close() sc.close sc if (H <= sumA) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		} H <= sumA H sumA {
			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 = Integer.parseInt(sc.next());
		int N = Integer.parseInt(sc.next());
		long sumA = 0;
		for (int i = 0; i < N; i++) {
			sumA += Integer.parseInt(sc.next());
		}
		sc.close();

		if (H <= sumA) {
			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 = Integer.parseInt(sc.next());
		int N = Integer.parseInt(sc.next());
		long sumA = 0;
		for (int i = 0; i < N; i++) {
			sumA += Integer.parseInt(sc.next());
		}
		sc.close();

		if (H <= sumA) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
} Main
import java.util.Scanner;

//AtCoder Beginner Contest 153
//B - Common Raccoon vs Monster
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());
		long sumA = 0;
		for (int i = 0; i < N; i++) {
			sumA += Integer.parseInt(sc.next());
		}
		sc.close();

		if (H <= sumA) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
}
