import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        new Main();
    }

    public Main() {
        Scanner sc = new Scanner(System.in);
        int H = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        for (int i = 0; i < N; i++) {
            int A = Integer.parseInt(sc.next());
            H -= A;
            if (H <= 0) {
                System.out.println("Yes");
                return;
            }
        }
        System.out.println("No");
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        new Main();
    }

    public Main() {
        Scanner sc = new Scanner(System.in);
        int H = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        for (int i = 0; i < N; i++) {
            int A = Integer.parseInt(sc.next());
            H -= A;
            if (H <= 0) {
                System.out.println("Yes");
                return;
            }
        }
        System.out.println("No");
    }
} Main public static void main(String[] args) {
        new Main();
    } main {
        new Main();
    } new Main() String[] args args public Main() {
        Scanner sc = new Scanner(System.in);
        int H = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        for (int i = 0; i < N; i++) {
            int A = Integer.parseInt(sc.next());
            H -= A;
            if (H <= 0) {
                System.out.println("Yes");
                return;
            }
        }
        System.out.println("No");
    } Main {
        Scanner sc = new Scanner(System.in);
        int H = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        for (int i = 0; i < N; i++) {
            int A = Integer.parseInt(sc.next());
            H -= A;
            if (H <= 0) {
                System.out.println("Yes");
                return;
            }
        }
        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 for (int i = 0; i < N; i++) {
            int A = Integer.parseInt(sc.next());
            H -= A;
            if (H <= 0) {
                System.out.println("Yes");
                return;
            }
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            int A = Integer.parseInt(sc.next());
            H -= A;
            if (H <= 0) {
                System.out.println("Yes");
                return;
            }
        } {
            int A = Integer.parseInt(sc.next());
            H -= A;
            if (H <= 0) {
                System.out.println("Yes");
                return;
            }
        } int A = Integer.parseInt(sc.next()); A Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc H -= A H A if (H <= 0) {
                System.out.println("Yes");
                return;
            } H <= 0 H 0 {
                System.out.println("Yes");
                return;
            } System.out.println("Yes") System.out.println System.out System System.out "Yes" return; System.out.println("No") System.out.println System.out System System.out "No" public class Main {
    public static void main(String[] args) {
        new Main();
    }

    public Main() {
        Scanner sc = new Scanner(System.in);
        int H = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        for (int i = 0; i < N; i++) {
            int A = Integer.parseInt(sc.next());
            H -= A;
            if (H <= 0) {
                System.out.println("Yes");
                return;
            }
        }
        System.out.println("No");
    }
} public class Main {
    public static void main(String[] args) {
        new Main();
    }

    public Main() {
        Scanner sc = new Scanner(System.in);
        int H = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        for (int i = 0; i < N; i++) {
            int A = Integer.parseInt(sc.next());
            H -= A;
            if (H <= 0) {
                System.out.println("Yes");
                return;
            }
        }
        System.out.println("No");
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        new Main();
    }

    public Main() {
        Scanner sc = new Scanner(System.in);
        int H = Integer.parseInt(sc.next());
        int N = Integer.parseInt(sc.next());
        for (int i = 0; i < N; i++) {
            int A = Integer.parseInt(sc.next());
            H -= A;
            if (H <= 0) {
                System.out.println("Yes");
                return;
            }
        }
        System.out.println("No");
    }
}
