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();
		for (int i = 0; i < N; i++) {
			H -= sc.nextInt();
		}
		System.out.println(H <= 0 ? "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();
		for (int i = 0; i < N; i++) {
			H -= sc.nextInt();
		}
		System.out.println(H <= 0 ? "Yes" : "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();
		}
		System.out.println(H <= 0 ? "Yes" : "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();
		}
		System.out.println(H <= 0 ? "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 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 System.out.println(H <= 0 ? "Yes" : "No") System.out.println System.out System System.out H <= 0 ? "Yes" : "No" H <= 0 H 0 "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();
		for (int i = 0; i < N; i++) {
			H -= sc.nextInt();
		}
		System.out.println(H <= 0 ? "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();
		for (int i = 0; i < N; i++) {
			H -= sc.nextInt();
		}
		System.out.println(H <= 0 ? "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();
		for (int i = 0; i < N; i++) {
			H -= sc.nextInt();
		}
		System.out.println(H <= 0 ? "Yes" : "No");
	}
}