import java.util.*;
public class Main { 
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int n = Integer.parseInt(sc.next());
        
        int sum = 0;
        while(n > 0) {
        	sum += sc.nextInt();
            n--;
        }
      	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 sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int n = Integer.parseInt(sc.next());
        
        int sum = 0;
        while(n > 0) {
        	sum += sc.nextInt();
            n--;
        }
      	if(sum >= h)
        	System.out.println("Yes");
        else
            System.out.println("No");
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int n = Integer.parseInt(sc.next());
        
        int sum = 0;
        while(n > 0) {
        	sum += sc.nextInt();
            n--;
        }
      	if(sum >= h)
        	System.out.println("Yes");
        else
            System.out.println("No");
    } main {
        Scanner sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int n = Integer.parseInt(sc.next());
        
        int sum = 0;
        while(n > 0) {
        	sum += sc.nextInt();
            n--;
        }
      	if(sum >= h)
        	System.out.println("Yes");
        else
            System.out.println("No");
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int h = Integer.parseInt(sc.next()); h Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int n = Integer.parseInt(sc.next()); n Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int sum = 0; sum 0 while(n > 0) {
        	sum += sc.nextInt();
            n--;
        } n > 0 n 0 {
        	sum += sc.nextInt();
            n--;
        } sum += sc.nextInt() sum sc.nextInt() sc.nextInt sc n-- n if(sum >= h)
        	System.out.println("Yes");
        else
            System.out.println("No"); sum >= h sum h System.out.println("Yes") System.out.println System.out System System.out "Yes" 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 sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int n = Integer.parseInt(sc.next());
        
        int sum = 0;
        while(n > 0) {
        	sum += sc.nextInt();
            n--;
        }
      	if(sum >= h)
        	System.out.println("Yes");
        else
            System.out.println("No");
    }
} public class Main { 
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int n = Integer.parseInt(sc.next());
        
        int sum = 0;
        while(n > 0) {
        	sum += sc.nextInt();
            n--;
        }
      	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 sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int n = Integer.parseInt(sc.next());
        
        int sum = 0;
        while(n > 0) {
        	sum += sc.nextInt();
            n--;
        }
      	if(sum >= h)
        	System.out.println("Yes");
        else
            System.out.println("No");
    }
}