

import java.util.Scanner;

public class Main{
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int n = scan.nextInt();
		int count = 0;

		for (int i = 0; i < n; i++) {
			count += scan.nextInt();
		}

		if (h <= count)
			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 scan = new Scanner(System.in);
		int h = scan.nextInt();
		int n = scan.nextInt();
		int count = 0;

		for (int i = 0; i < n; i++) {
			count += scan.nextInt();
		}

		if (h <= count)
			System.out.println("Yes");
		else
			System.out.println("No");

	}

} Main public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int n = scan.nextInt();
		int count = 0;

		for (int i = 0; i < n; i++) {
			count += scan.nextInt();
		}

		if (h <= count)
			System.out.println("Yes");
		else
			System.out.println("No");

	} main {
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int n = scan.nextInt();
		int count = 0;

		for (int i = 0; i < n; i++) {
			count += scan.nextInt();
		}

		if (h <= count)
			System.out.println("Yes");
		else
			System.out.println("No");

	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int h = scan.nextInt(); h scan.nextInt() scan.nextInt scan int n = scan.nextInt(); n scan.nextInt() scan.nextInt scan int count = 0; count 0 for (int i = 0; i < n; i++) {
			count += scan.nextInt();
		} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
			count += scan.nextInt();
		} {
			count += scan.nextInt();
		} count += scan.nextInt() count scan.nextInt() scan.nextInt scan if (h <= count)
			System.out.println("Yes");
		else
			System.out.println("No"); h <= count h count 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 scan = new Scanner(System.in);
		int h = scan.nextInt();
		int n = scan.nextInt();
		int count = 0;

		for (int i = 0; i < n; i++) {
			count += scan.nextInt();
		}

		if (h <= count)
			System.out.println("Yes");
		else
			System.out.println("No");

	}

} public class Main{
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int n = scan.nextInt();
		int count = 0;

		for (int i = 0; i < n; i++) {
			count += scan.nextInt();
		}

		if (h <= count)
			System.out.println("Yes");
		else
			System.out.println("No");

	}

} Main


import java.util.Scanner;

public class Main{
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int n = scan.nextInt();
		int count = 0;

		for (int i = 0; i < n; i++) {
			count += scan.nextInt();
		}

		if (h <= count)
			System.out.println("Yes");
		else
			System.out.println("No");

	}

}
