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