import 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 sum = 0;
		for(int i = 0; i < n; i++) {
			int a = sc.nextInt();
			sum += a;
		}
		
		System.out.println(sum >= h ? "Yes" : "No");
	}
} import java.util.*; util.* java public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int n = sc.nextInt();
		
		int sum = 0;
		for(int i = 0; i < n; i++) {
			int a = sc.nextInt();
			sum += a;
		}
		
		System.out.println(sum >= h ? "Yes" : "No");
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int n = sc.nextInt();
		
		int sum = 0;
		for(int i = 0; i < n; i++) {
			int a = sc.nextInt();
			sum += a;
		}
		
		System.out.println(sum >= h ? "Yes" : "No");
	} main {
		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int n = sc.nextInt();
		
		int sum = 0;
		for(int i = 0; i < n; i++) {
			int a = sc.nextInt();
			sum += a;
		}
		
		System.out.println(sum >= h ? "Yes" : "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 sum = 0; sum 0 for(int i = 0; i < n; i++) {
			int a = sc.nextInt();
			sum += a;
		} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
			int a = sc.nextInt();
			sum += a;
		} {
			int a = sc.nextInt();
			sum += a;
		} int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc sum += a sum a System.out.println(sum >= h ? "Yes" : "No") System.out.println System.out System System.out sum >= h ? "Yes" : "No" sum >= h sum h "Yes" "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 sum = 0;
		for(int i = 0; i < n; i++) {
			int a = sc.nextInt();
			sum += a;
		}
		
		System.out.println(sum >= h ? "Yes" : "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 sum = 0;
		for(int i = 0; i < n; i++) {
			int a = sc.nextInt();
			sum += a;
		}
		
		System.out.println(sum >= h ? "Yes" : "No");
	}
} Main
import 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 sum = 0;
		for(int i = 0; i < n; i++) {
			int a = sc.nextInt();
			sum += a;
		}
		
		System.out.println(sum >= h ? "Yes" : "No");
	}
}