import java.util.Scanner;

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

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

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

    } main {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int N = sc.nextInt();
        for(int i=0;i<N;i++){
            H -= sc.nextInt();
        }
        if(H > 0){
            System.out.println("No");
        }else{
            System.out.println("Yes");
        }

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

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

    }
} Main
import java.util.Scanner;

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

    }
}
