import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int enemyH = sc.nextInt();
        int t = sc.nextInt();
        int total = 0;
        for(int i = 0;i < t;i++){
            total += sc.nextInt();
        }
        if(enemyH <= total){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int enemyH = sc.nextInt();
        int t = sc.nextInt();
        int total = 0;
        for(int i = 0;i < t;i++){
            total += sc.nextInt();
        }
        if(enemyH <= total){
            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 enemyH = sc.nextInt();
        int t = sc.nextInt();
        int total = 0;
        for(int i = 0;i < t;i++){
            total += sc.nextInt();
        }
        if(enemyH <= total){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    } main {
        Scanner sc = new Scanner(System.in);
        int enemyH = sc.nextInt();
        int t = sc.nextInt();
        int total = 0;
        for(int i = 0;i < t;i++){
            total += sc.nextInt();
        }
        if(enemyH <= total){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int enemyH = sc.nextInt(); enemyH sc.nextInt() sc.nextInt sc int t = sc.nextInt(); t sc.nextInt() sc.nextInt sc int total = 0; total 0 for(int i = 0;i < t;i++){
            total += sc.nextInt();
        } int i = 0; int i = 0; i 0 i < t i t i++ i++ i {
            total += sc.nextInt();
        } {
            total += sc.nextInt();
        } total += sc.nextInt() total sc.nextInt() sc.nextInt sc if(enemyH <= total){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        } enemyH <= total enemyH total {
            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 enemyH = sc.nextInt();
        int t = sc.nextInt();
        int total = 0;
        for(int i = 0;i < t;i++){
            total += sc.nextInt();
        }
        if(enemyH <= total){
            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 enemyH = sc.nextInt();
        int t = sc.nextInt();
        int total = 0;
        for(int i = 0;i < t;i++){
            total += sc.nextInt();
        }
        if(enemyH <= total){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
} Main
import java.util.*;

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