import java.util.*;

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