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 maxAttack=0;
		for (int i=0;i<n;i++){
			maxAttack += sc.nextInt();
		}
		sc.close();
		if (maxAttack>=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 maxAttack=0;
		for (int i=0;i<n;i++){
			maxAttack += sc.nextInt();
		}
		sc.close();
		if (maxAttack>=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 maxAttack=0;
		for (int i=0;i<n;i++){
			maxAttack += sc.nextInt();
		}
		sc.close();
		if (maxAttack>=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 maxAttack=0;
		for (int i=0;i<n;i++){
			maxAttack += sc.nextInt();
		}
		sc.close();
		if (maxAttack>=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 maxAttack=0; maxAttack 0 for (int i=0;i<n;i++){
			maxAttack += sc.nextInt();
		} int i=0; int i=0; i 0 i<n i n i++ i++ i {
			maxAttack += sc.nextInt();
		} {
			maxAttack += sc.nextInt();
		} maxAttack += sc.nextInt() maxAttack sc.nextInt() sc.nextInt sc sc.close() sc.close sc if (maxAttack>=h) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		} maxAttack>=h maxAttack 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 maxAttack=0;
		for (int i=0;i<n;i++){
			maxAttack += sc.nextInt();
		}
		sc.close();
		if (maxAttack>=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 maxAttack=0;
		for (int i=0;i<n;i++){
			maxAttack += sc.nextInt();
		}
		sc.close();
		if (maxAttack>=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 maxAttack=0;
		for (int i=0;i<n;i++){
			maxAttack += sc.nextInt();
		}
		sc.close();
		if (maxAttack>=h) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

		//------------------------------------------------------------
	}
}
