import java.util.Scanner;

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();
   }

   for(int i=0; i<N; i++) {
	   sum += a[i];
   }

   if(H - sum <= 0) {
	   System.out.print("Yes");
	   }else {
	   System.out.print("No");
	   }
   }
} import java.util.Scanner; Scanner 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();
   }

   for(int i=0; i<N; i++) {
	   sum += a[i];
   }

   if(H - sum <= 0) {
	   System.out.print("Yes");
	   }else {
	   System.out.print("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();
   }

   for(int i=0; i<N; i++) {
	   sum += a[i];
   }

   if(H - sum <= 0) {
	   System.out.print("Yes");
	   }else {
	   System.out.print("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();
   }

   for(int i=0; i<N; i++) {
	   sum += a[i];
   }

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

   for(int i=0; i<N; i++) {
	   sum += a[i];
   }

   if(H - sum <= 0) {
	   System.out.print("Yes");
	   }else {
	   System.out.print("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();
   }

   for(int i=0; i<N; i++) {
	   sum += a[i];
   }

   if(H - sum <= 0) {
	   System.out.print("Yes");
	   }else {
	   System.out.print("No");
	   }
   }
} Main
import java.util.Scanner;

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();
   }

   for(int i=0; i<N; i++) {
	   sum += a[i];
   }

   if(H - sum <= 0) {
	   System.out.print("Yes");
	   }else {
	   System.out.print("No");
	   }
   }
}
