import java.util.Scanner;
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        long h = sc.nextLong();
        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");
        }
        sc.close();
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        long h = sc.nextLong();
        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");
        }
        sc.close();
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        long h = sc.nextLong();
        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");
        }
        sc.close();
    } main {
        Scanner sc = new Scanner(System.in);
        long h = sc.nextLong();
        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");
        }
        sc.close();
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) long h = sc.nextLong(); h sc.nextLong() sc.nextLong 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" sc.close() sc.close sc String[] args args public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        long h = sc.nextLong();
        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");
        }
        sc.close();
    }
} public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        long h = sc.nextLong();
        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");
        }
        sc.close();
    }
} Main
import java.util.Scanner;
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        long h = sc.nextLong();
        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");
        }
        sc.close();
    }
}