import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int H =sc.nextInt();
        int N =sc.nextInt();
        
        int A =0;
        
        for(int i=0;i<N;i++){
            A +=sc.nextInt();
        }
        
        if(H<=A){
            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 {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int H =sc.nextInt();
        int N =sc.nextInt();
        
        int A =0;
        
        for(int i=0;i<N;i++){
            A +=sc.nextInt();
        }
        
        if(H<=A){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
    }
    
    
} Main public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int H =sc.nextInt();
        int N =sc.nextInt();
        
        int A =0;
        
        for(int i=0;i<N;i++){
            A +=sc.nextInt();
        }
        
        if(H<=A){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
    } main {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int H =sc.nextInt();
        int N =sc.nextInt();
        
        int A =0;
        
        for(int i=0;i<N;i++){
            A +=sc.nextInt();
        }
        
        if(H<=A){
            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 int A =0; A 0 for(int i=0;i<N;i++){
            A +=sc.nextInt();
        } int i=0; int i=0; i 0 i<N i N i++ i++ i {
            A +=sc.nextInt();
        } {
            A +=sc.nextInt();
        } A +=sc.nextInt() A sc.nextInt() sc.nextInt sc if(H<=A){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        } H<=A H A {
            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 {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int H =sc.nextInt();
        int N =sc.nextInt();
        
        int A =0;
        
        for(int i=0;i<N;i++){
            A +=sc.nextInt();
        }
        
        if(H<=A){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
    }
    
    
} public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int H =sc.nextInt();
        int N =sc.nextInt();
        
        int A =0;
        
        for(int i=0;i<N;i++){
            A +=sc.nextInt();
        }
        
        if(H<=A){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
    }
    
    
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        
        int H =sc.nextInt();
        int N =sc.nextInt();
        
        int A =0;
        
        for(int i=0;i<N;i++){
            A +=sc.nextInt();
        }
        
        if(H<=A){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
    }
    
    
}
