import java.util.*;
import java.io.*;
import java.math.*;
 
public class Main {
    public static void main(String[] args) throws Exception {
        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("Yes");
        }else{
            System.out.println("No");
        }
    }
} import java.util.*; util.* java import java.io.*; io.* java import java.math.*; math.* java public class Main {
    public static void main(String[] args) throws Exception {
        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("Yes");
        }else{
            System.out.println("No");
        }
    }
} Main public static void main(String[] args) throws Exception {
        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("Yes");
        }else{
            System.out.println("No");
        }
    } 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("Yes");
        }else{
            System.out.println("No");
        }
    } 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("Yes");
        }else{
            System.out.println("No");
        } h <= 0 h 0 {
            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) throws Exception {
        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("Yes");
        }else{
            System.out.println("No");
        }
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        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("Yes");
        }else{
            System.out.println("No");
        }
    }
} Main
import java.util.*;
import java.io.*;
import java.math.*;
 
public class Main {
    public static void main(String[] args) throws Exception {
        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("Yes");
        }else{
            System.out.println("No");
        }
    }
}