import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h =sc.nextInt(), n = sc.nextInt();
		int usm=0;
		for(int i=0;i<n;i++) usm += sc.nextInt();
		if(usm>=h) System.out.println("Yes");
		else System.out.println("No");
	}
} import java.util.HashSet; HashSet java.util import java.util.Scanner; Scanner java.util import java.util.Set; Set java.util public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h =sc.nextInt(), n = sc.nextInt();
		int usm=0;
		for(int i=0;i<n;i++) usm += sc.nextInt();
		if(usm>=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(), n = sc.nextInt();
		int usm=0;
		for(int i=0;i<n;i++) usm += sc.nextInt();
		if(usm>=h) System.out.println("Yes");
		else System.out.println("No");
	} main {
		Scanner sc = new Scanner(System.in);
		int h =sc.nextInt(), n = sc.nextInt();
		int usm=0;
		for(int i=0;i<n;i++) usm += sc.nextInt();
		if(usm>=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 n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int usm=0; usm 0 for(int i=0;i<n;i++) usm += sc.nextInt(); int i=0; int i=0; i 0 i<n i n i++ i++ i usm += sc.nextInt(); usm += sc.nextInt() usm sc.nextInt() sc.nextInt sc if(usm>=h) System.out.println("Yes");
		else System.out.println("No"); usm>=h usm h System.out.println("Yes") System.out.println System.out System System.out "Yes" 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(), n = sc.nextInt();
		int usm=0;
		for(int i=0;i<n;i++) usm += sc.nextInt();
		if(usm>=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(), n = sc.nextInt();
		int usm=0;
		for(int i=0;i<n;i++) usm += sc.nextInt();
		if(usm>=h) System.out.println("Yes");
		else System.out.println("No");
	}
} Main
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

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