import java.util.ArrayList;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        int s = 0;
        for(int i = 0; i < N ;i++){
            s += Integer.parseInt(sc.next());
        }
        if(s >= H){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
} import java.util.ArrayList; ArrayList java.util import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        int s = 0;
        for(int i = 0; i < N ;i++){
            s += Integer.parseInt(sc.next());
        }
        if(s >= H){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        int s = 0;
        for(int i = 0; i < N ;i++){
            s += Integer.parseInt(sc.next());
        }
        if(s >= H){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    } main {
        Scanner sc = new Scanner(System.in);
        int H = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        int s = 0;
        for(int i = 0; i < N ;i++){
            s += Integer.parseInt(sc.next());
        }
        if(s >= H){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int H = Integer.parseInt(sc.next()); H Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int N = Integer.parseInt(sc.next()); N Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int s = 0; s 0 for(int i = 0; i < N ;i++){
            s += Integer.parseInt(sc.next());
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            s += Integer.parseInt(sc.next());
        } {
            s += Integer.parseInt(sc.next());
        } s += Integer.parseInt(sc.next()) s Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc if(s >= H){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        } s >= H s H {
            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 = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        int s = 0;
        for(int i = 0; i < N ;i++){
            s += Integer.parseInt(sc.next());
        }
        if(s >= H){
            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 = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        int s = 0;
        for(int i = 0; i < N ;i++){
            s += Integer.parseInt(sc.next());
        }
        if(s >= H){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
} Main
import java.util.ArrayList;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        int s = 0;
        for(int i = 0; i < N ;i++){
            s += Integer.parseInt(sc.next());
        }
        if(s >= H){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
}