import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
        int a[] = new int[n];
        int i;
		// 出力
      for(i = 0; i < n; i++){
        h -= sc.nextInt();
      }
	  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);
		// 整数の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
        int a[] = new int[n];
        int i;
		// 出力
      for(i = 0; i < n; i++){
        h -= sc.nextInt();
      }
	  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);
		// 整数の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
        int a[] = new int[n];
        int i;
		// 出力
      for(i = 0; i < n; i++){
        h -= sc.nextInt();
      }
	  if(h <= 0){
            System.out.println("Yes");
      }else {
            System.out.println("No");  
      }
	} main {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
        int a[] = new int[n];
        int i;
		// 出力
      for(i = 0; i < n; i++){
        h -= sc.nextInt();
      }
	  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 int i; i for(i = 0; i < n; i++){
        h -= sc.nextInt();
      } i = 0; i = 0 i 0 i < n i n i++ i++ i {
        h -= sc.nextInt();
      } {
        h -= sc.nextInt();
      } h -= sc.nextInt() h sc.nextInt() sc.nextInt sc 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);
		// 整数の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
        int a[] = new int[n];
        int i;
		// 出力
      for(i = 0; i < n; i++){
        h -= sc.nextInt();
      }
	  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);
		// 整数の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
        int a[] = new int[n];
        int i;
		// 出力
      for(i = 0; i < n; i++){
        h -= sc.nextInt();
      }
	  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);
		// 整数の入力
		int h = sc.nextInt();
      	int n = sc.nextInt();
        int a[] = new int[n];
        int i;
		// 出力
      for(i = 0; i < n; i++){
        h -= sc.nextInt();
      }
	  if(h <= 0){
            System.out.println("Yes");
      }else {
            System.out.println("No");  
      }
	}
}