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