import java.util.Arrays;
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();
        long[] arrA = new long[n];
        for(int i = 0; i < n; i++){
            arrA[i] = sc.nextLong();
        }
        long sum = Arrays.stream(arrA).sum();
        if(sum>=h){
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
        
    }
} import java.util.Arrays; Arrays java.util 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();
        long[] arrA = new long[n];
        for(int i = 0; i < n; i++){
            arrA[i] = sc.nextLong();
        }
        long sum = Arrays.stream(arrA).sum();
        if(sum>=h){
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
        
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Long h = sc.nextLong();
        int n = sc.nextInt();
        long[] arrA = new long[n];
        for(int i = 0; i < n; i++){
            arrA[i] = sc.nextLong();
        }
        long sum = Arrays.stream(arrA).sum();
        if(sum>=h){
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
        
    } main {
        Scanner sc = new Scanner(System.in);
        Long h = sc.nextLong();
        int n = sc.nextInt();
        long[] arrA = new long[n];
        for(int i = 0; i < n; i++){
            arrA[i] = sc.nextLong();
        }
        long sum = Arrays.stream(arrA).sum();
        if(sum>=h){
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
        
    } 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 long[] arrA = new long[n]; arrA new long[n] n for(int i = 0; i < n; i++){
            arrA[i] = sc.nextLong();
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            arrA[i] = sc.nextLong();
        } {
            arrA[i] = sc.nextLong();
        } arrA[i] = sc.nextLong() arrA[i] arrA i sc.nextLong() sc.nextLong sc long sum = Arrays.stream(arrA).sum(); sum Arrays.stream(arrA).sum() Arrays.stream(arrA).sum Arrays.stream(arrA) Arrays.stream Arrays arrA if(sum>=h){
            System.out.println("Yes");
        }else {
            System.out.println("No");
        } sum>=h sum 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);
        Long h = sc.nextLong();
        int n = sc.nextInt();
        long[] arrA = new long[n];
        for(int i = 0; i < n; i++){
            arrA[i] = sc.nextLong();
        }
        long sum = Arrays.stream(arrA).sum();
        if(sum>=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);
        Long h = sc.nextLong();
        int n = sc.nextInt();
        long[] arrA = new long[n];
        for(int i = 0; i < n; i++){
            arrA[i] = sc.nextLong();
        }
        long sum = Arrays.stream(arrA).sum();
        if(sum>=h){
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
        
    }
} Main
import java.util.Arrays;
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();
        long[] arrA = new long[n];
        for(int i = 0; i < n; i++){
            arrA[i] = sc.nextLong();
        }
        long sum = Arrays.stream(arrA).sum();
        if(sum>=h){
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
        
    }
}