
import java.util.Scanner;


public class Main {

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

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int helth = scan.nextInt();
        int power = scan.nextInt();
        int sum = 0;
        for (int i = 0; i < power; i++) {
            sum = sum + scan.nextInt();
        }
        if(sum>=helth)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
    
} Main public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int helth = scan.nextInt();
        int power = scan.nextInt();
        int sum = 0;
        for (int i = 0; i < power; i++) {
            sum = sum + scan.nextInt();
        }
        if(sum>=helth)
            System.out.println("Yes");
        else
            System.out.println("No");
    } main {
        Scanner scan = new Scanner(System.in);
        int helth = scan.nextInt();
        int power = scan.nextInt();
        int sum = 0;
        for (int i = 0; i < power; i++) {
            sum = sum + scan.nextInt();
        }
        if(sum>=helth)
            System.out.println("Yes");
        else
            System.out.println("No");
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int helth = scan.nextInt(); helth scan.nextInt() scan.nextInt scan int power = scan.nextInt(); power scan.nextInt() scan.nextInt scan int sum = 0; sum 0 for (int i = 0; i < power; i++) {
            sum = sum + scan.nextInt();
        } int i = 0; int i = 0; i 0 i < power i power i++ i++ i {
            sum = sum + scan.nextInt();
        } {
            sum = sum + scan.nextInt();
        } sum = sum + scan.nextInt() sum sum + scan.nextInt() sum scan.nextInt() scan.nextInt scan if(sum>=helth)
            System.out.println("Yes");
        else
            System.out.println("No"); sum>=helth sum helth 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 scan = new Scanner(System.in);
        int helth = scan.nextInt();
        int power = scan.nextInt();
        int sum = 0;
        for (int i = 0; i < power; i++) {
            sum = sum + scan.nextInt();
        }
        if(sum>=helth)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
    
} public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int helth = scan.nextInt();
        int power = scan.nextInt();
        int sum = 0;
        for (int i = 0; i < power; i++) {
            sum = sum + scan.nextInt();
        }
        if(sum>=helth)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
    
} Main

import java.util.Scanner;


public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int helth = scan.nextInt();
        int power = scan.nextInt();
        int sum = 0;
        for (int i = 0; i < power; i++) {
            sum = sum + scan.nextInt();
        }
        if(sum>=helth)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
    
}
