import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		
		Scanner scan = new Scanner(System.in);
		int hp = scan.nextInt();
		int count = scan.nextInt();
		
		int sum = 0;
		for (int i=0; i<count; i++) {
			sum += scan.nextInt();
		}
		
		if (sum >= hp) {
			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 hp = scan.nextInt();
		int count = scan.nextInt();
		
		int sum = 0;
		for (int i=0; i<count; i++) {
			sum += scan.nextInt();
		}
		
		if (sum >= hp) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
} Main public static void main(String[] args) {
		
		Scanner scan = new Scanner(System.in);
		int hp = scan.nextInt();
		int count = scan.nextInt();
		
		int sum = 0;
		for (int i=0; i<count; i++) {
			sum += scan.nextInt();
		}
		
		if (sum >= hp) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	} main {
		
		Scanner scan = new Scanner(System.in);
		int hp = scan.nextInt();
		int count = scan.nextInt();
		
		int sum = 0;
		for (int i=0; i<count; i++) {
			sum += scan.nextInt();
		}
		
		if (sum >= hp) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int hp = scan.nextInt(); hp scan.nextInt() scan.nextInt scan int count = scan.nextInt(); count scan.nextInt() scan.nextInt scan int sum = 0; sum 0 for (int i=0; i<count; i++) {
			sum += scan.nextInt();
		} int i=0; int i=0; i 0 i<count i count i++ i++ i {
			sum += scan.nextInt();
		} {
			sum += scan.nextInt();
		} sum += scan.nextInt() sum scan.nextInt() scan.nextInt scan if (sum >= hp) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		} sum >= hp sum hp {
			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 scan = new Scanner(System.in);
		int hp = scan.nextInt();
		int count = scan.nextInt();
		
		int sum = 0;
		for (int i=0; i<count; i++) {
			sum += scan.nextInt();
		}
		
		if (sum >= hp) {
			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 hp = scan.nextInt();
		int count = scan.nextInt();
		
		int sum = 0;
		for (int i=0; i<count; i++) {
			sum += scan.nextInt();
		}
		
		if (sum >= hp) {
			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 hp = scan.nextInt();
		int count = scan.nextInt();
		
		int sum = 0;
		for (int i=0; i<count; i++) {
			sum += scan.nextInt();
		}
		
		if (sum >= hp) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
}