import java.util.*;

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

    } main {
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int n = sc.nextInt();
        int[] a = new int[n];
        int sum = 0;
        for (int i= 0; i<n;i++) {
            sum += sc.nextInt();
        }
        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 = sc.nextInt(); h sc.nextInt() sc.nextInt sc int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int[] a = new int[n]; a new int[n] n int sum = 0; sum 0 for (int i= 0; i<n;i++) {
            sum += sc.nextInt();
        } int i= 0; int i= 0; i 0 i<n i n i++ i++ i {
            sum += sc.nextInt();
        } {
            sum += sc.nextInt();
        } sum += sc.nextInt() sum sc.nextInt() sc.nextInt sc 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 sc = new Scanner(System.in);
        int h = sc.nextInt();
        int n = sc.nextInt();
        int[] a = new int[n];
        int sum = 0;
        for (int i= 0; i<n;i++) {
            sum += sc.nextInt();
        }
        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 = sc.nextInt();
        int n = sc.nextInt();
        int[] a = new int[n];
        int sum = 0;
        for (int i= 0; i<n;i++) {
            sum += sc.nextInt();
        }
        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 = sc.nextInt();
        int n = sc.nextInt();
        int[] a = new int[n];
        int sum = 0;
        for (int i= 0; i<n;i++) {
            sum += sc.nextInt();
        }
        if (sum >= h) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }

    }
}
