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