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;
        
        Integer[] array = new Integer[n];
        for(int i = 0; i < n; ++i) {
            int num = Integer.parseInt(sc.next());
            array[i] = num;
            sum += num;
        }
        
        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;
        
        Integer[] array = new Integer[n];
        for(int i = 0; i < n; ++i) {
            int num = Integer.parseInt(sc.next());
            array[i] = num;
            sum += num;
        }
        
        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;
        
        Integer[] array = new Integer[n];
        for(int i = 0; i < n; ++i) {
            int num = Integer.parseInt(sc.next());
            array[i] = num;
            sum += num;
        }
        
        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;
        
        Integer[] array = new Integer[n];
        for(int i = 0; i < n; ++i) {
            int num = Integer.parseInt(sc.next());
            array[i] = num;
            sum += num;
        }
        
        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 Integer[] array = new Integer[n]; array new Integer[n] n for(int i = 0; i < n; ++i) {
            int num = Integer.parseInt(sc.next());
            array[i] = num;
            sum += num;
        } int i = 0; int i = 0; i 0 i < n i n ++i ++i i {
            int num = Integer.parseInt(sc.next());
            array[i] = num;
            sum += num;
        } {
            int num = Integer.parseInt(sc.next());
            array[i] = num;
            sum += num;
        } int num = Integer.parseInt(sc.next()); num Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc array[i] = num array[i] array i num sum += num sum num 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;
        
        Integer[] array = new Integer[n];
        for(int i = 0; i < n; ++i) {
            int num = Integer.parseInt(sc.next());
            array[i] = num;
            sum += num;
        }
        
        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;
        
        Integer[] array = new Integer[n];
        for(int i = 0; i < n; ++i) {
            int num = Integer.parseInt(sc.next());
            array[i] = num;
            sum += num;
        }
        
        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;
        
        Integer[] array = new Integer[n];
        for(int i = 0; i < n; ++i) {
            int num = Integer.parseInt(sc.next());
            array[i] = num;
            sum += num;
        }
        
        if(sum >= h) System.out.println("Yes");
        else System.out.println("No");
    }
}