import java.util.Scanner;

class Main {
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int H=Integer.parseInt(sc.next());
		int N=Integer.parseInt(sc.next());
		int aaa = 0;
		for(int i=0;i<N; i++) {
			aaa += Integer.parseInt(sc.next());
		}
		if(aaa>=H) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
} import java.util.Scanner; Scanner java.util class Main {
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int H=Integer.parseInt(sc.next());
		int N=Integer.parseInt(sc.next());
		int aaa = 0;
		for(int i=0;i<N; i++) {
			aaa += Integer.parseInt(sc.next());
		}
		if(aaa>=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=Integer.parseInt(sc.next());
		int N=Integer.parseInt(sc.next());
		int aaa = 0;
		for(int i=0;i<N; i++) {
			aaa += Integer.parseInt(sc.next());
		}
		if(aaa>=H) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	} main {

		Scanner sc = new Scanner(System.in);
		int H=Integer.parseInt(sc.next());
		int N=Integer.parseInt(sc.next());
		int aaa = 0;
		for(int i=0;i<N; i++) {
			aaa += Integer.parseInt(sc.next());
		}
		if(aaa>=H) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int H=Integer.parseInt(sc.next()); H Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int N=Integer.parseInt(sc.next()); N Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int aaa = 0; aaa 0 for(int i=0;i<N; i++) {
			aaa += Integer.parseInt(sc.next());
		} int i=0; int i=0; i 0 i<N i N i++ i++ i {
			aaa += Integer.parseInt(sc.next());
		} {
			aaa += Integer.parseInt(sc.next());
		} aaa += Integer.parseInt(sc.next()) aaa Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc if(aaa>=H) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		} aaa>=H aaa 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
import java.util.Scanner;

class Main {
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int H=Integer.parseInt(sc.next());
		int N=Integer.parseInt(sc.next());
		int aaa = 0;
		for(int i=0;i<N; i++) {
			aaa += Integer.parseInt(sc.next());
		}
		if(aaa>=H) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
}
