import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int h = scan.nextInt();
        int n = scan.nextInt();
        int sum = 0;
        for(int i = 0; i < n; i++) {
            sum += scan.nextInt();
        }
        System.out.println(h <= sum ? "Yes" : "No");
    }
} import java.util.*; util.* java public class Main{
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int h = scan.nextInt();
        int n = scan.nextInt();
        int sum = 0;
        for(int i = 0; i < n; i++) {
            sum += scan.nextInt();
        }
        System.out.println(h <= sum ? "Yes" : "No");
    }
} Main public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int h = scan.nextInt();
        int n = scan.nextInt();
        int sum = 0;
        for(int i = 0; i < n; i++) {
            sum += scan.nextInt();
        }
        System.out.println(h <= sum ? "Yes" : "No");
    } main {
        Scanner scan = new Scanner(System.in);
        int h = scan.nextInt();
        int n = scan.nextInt();
        int sum = 0;
        for(int i = 0; i < n; i++) {
            sum += scan.nextInt();
        }
        System.out.println(h <= sum ? "Yes" : "No");
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int h = scan.nextInt(); h scan.nextInt() scan.nextInt scan int n = scan.nextInt(); n scan.nextInt() scan.nextInt scan int sum = 0; sum 0 for(int i = 0; i < n; i++) {
            sum += scan.nextInt();
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            sum += scan.nextInt();
        } {
            sum += scan.nextInt();
        } sum += scan.nextInt() sum scan.nextInt() scan.nextInt scan System.out.println(h <= sum ? "Yes" : "No") System.out.println System.out System System.out h <= sum ? "Yes" : "No" h <= sum h sum "Yes" "No" String[] args args public class Main{
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int h = scan.nextInt();
        int n = scan.nextInt();
        int sum = 0;
        for(int i = 0; i < n; i++) {
            sum += scan.nextInt();
        }
        System.out.println(h <= sum ? "Yes" : "No");
    }
} public class Main{
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int h = scan.nextInt();
        int n = scan.nextInt();
        int sum = 0;
        for(int i = 0; i < n; i++) {
            sum += scan.nextInt();
        }
        System.out.println(h <= sum ? "Yes" : "No");
    }
} Main
import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int h = scan.nextInt();
        int n = scan.nextInt();
        int sum = 0;
        for(int i = 0; i < n; i++) {
            sum += scan.nextInt();
        }
        System.out.println(h <= sum ? "Yes" : "No");
    }
}