import java.util.*;

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

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