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];
        int sum = 0;
      
      	for(int i=0; i<N; i++){
          	A[i] = sc.nextInt();
          	sum += A[i];
        }
      	
      	if((H-sum)<=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];
        int sum = 0;
      
      	for(int i=0; i<N; i++){
          	A[i] = sc.nextInt();
          	sum += A[i];
        }
      	
      	if((H-sum)<=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];
        int sum = 0;
      
      	for(int i=0; i<N; i++){
          	A[i] = sc.nextInt();
          	sum += A[i];
        }
      	
      	if((H-sum)<=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];
        int sum = 0;
      
      	for(int i=0; i<N; i++){
          	A[i] = sc.nextInt();
          	sum += A[i];
        }
      	
      	if((H-sum)<=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 int sum = 0; sum 0 for(int i=0; i<N; i++){
          	A[i] = sc.nextInt();
          	sum += A[i];
        } int i=0; int i=0; i 0 i<N i N i++ i++ i {
          	A[i] = sc.nextInt();
          	sum += A[i];
        } {
          	A[i] = sc.nextInt();
          	sum += A[i];
        } A[i] = sc.nextInt() A[i] A i sc.nextInt() sc.nextInt sc sum += A[i] sum A[i] A i if((H-sum)<=0){
          	System.out.println("Yes");
        }else{
          	System.out.println("No");
        } (H-sum)<=0 (H-sum) H sum 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];
        int sum = 0;
      
      	for(int i=0; i<N; i++){
          	A[i] = sc.nextInt();
          	sum += A[i];
        }
      	
      	if((H-sum)<=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];
        int sum = 0;
      
      	for(int i=0; i<N; i++){
          	A[i] = sc.nextInt();
          	sum += A[i];
        }
      	
      	if((H-sum)<=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];
        int sum = 0;
      
      	for(int i=0; i<N; i++){
          	A[i] = sc.nextInt();
          	sum += A[i];
        }
      	
      	if((H-sum)<=0){
          	System.out.println("Yes");
        }else{
          	System.out.println("No");
        }
    }
}