import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        int hp = scanner.nextInt();
        int n = scanner.nextInt();
        int accumrate = 0;
        for (int i = 0; i < n; i++) {
            int a = scanner.nextInt();
            accumrate += a;
            if(accumrate >= hp){
                break;
            }
        }
        if(accumrate >= hp)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
} import java.util.Scanner; Scanner java.util class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        int hp = scanner.nextInt();
        int n = scanner.nextInt();
        int accumrate = 0;
        for (int i = 0; i < n; i++) {
            int a = scanner.nextInt();
            accumrate += a;
            if(accumrate >= hp){
                break;
            }
        }
        if(accumrate >= hp)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
} Main public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        int hp = scanner.nextInt();
        int n = scanner.nextInt();
        int accumrate = 0;
        for (int i = 0; i < n; i++) {
            int a = scanner.nextInt();
            accumrate += a;
            if(accumrate >= hp){
                break;
            }
        }
        if(accumrate >= hp)
            System.out.println("Yes");
        else
            System.out.println("No");
    } main {
        Scanner scanner = new Scanner(System.in);
        
        int hp = scanner.nextInt();
        int n = scanner.nextInt();
        int accumrate = 0;
        for (int i = 0; i < n; i++) {
            int a = scanner.nextInt();
            accumrate += a;
            if(accumrate >= hp){
                break;
            }
        }
        if(accumrate >= hp)
            System.out.println("Yes");
        else
            System.out.println("No");
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int hp = scanner.nextInt(); hp scanner.nextInt() scanner.nextInt scanner int n = scanner.nextInt(); n scanner.nextInt() scanner.nextInt scanner int accumrate = 0; accumrate 0 for (int i = 0; i < n; i++) {
            int a = scanner.nextInt();
            accumrate += a;
            if(accumrate >= hp){
                break;
            }
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            int a = scanner.nextInt();
            accumrate += a;
            if(accumrate >= hp){
                break;
            }
        } {
            int a = scanner.nextInt();
            accumrate += a;
            if(accumrate >= hp){
                break;
            }
        } int a = scanner.nextInt(); a scanner.nextInt() scanner.nextInt scanner accumrate += a accumrate a if(accumrate >= hp){
                break;
            } accumrate >= hp accumrate hp {
                break;
            } break; if(accumrate >= hp)
            System.out.println("Yes");
        else
            System.out.println("No"); accumrate >= hp accumrate hp System.out.println("Yes") System.out.println System.out System System.out "Yes" System.out.println("No") System.out.println System.out System System.out "No" String[] args args
import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        int hp = scanner.nextInt();
        int n = scanner.nextInt();
        int accumrate = 0;
        for (int i = 0; i < n; i++) {
            int a = scanner.nextInt();
            accumrate += a;
            if(accumrate >= hp){
                break;
            }
        }
        if(accumrate >= hp)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
}