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