import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), N = sc.nextInt();
    int sum = 0;
    for (int i = 0; i < N; i++) sum += sc.nextInt();
    System.out.println((sum >= H) ? "Yes" : "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(), N = sc.nextInt();
    int sum = 0;
    for (int i = 0; i < N; i++) sum += sc.nextInt();
    System.out.println((sum >= H) ? "Yes" : "No");
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), N = sc.nextInt();
    int sum = 0;
    for (int i = 0; i < N; i++) sum += sc.nextInt();
    System.out.println((sum >= H) ? "Yes" : "No");
  } main {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), N = sc.nextInt();
    int sum = 0;
    for (int i = 0; i < N; i++) sum += sc.nextInt();
    System.out.println((sum >= H) ? "Yes" : "No");
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int H = sc.nextInt() H sc.nextInt() sc.nextInt sc N = sc.nextInt(); N sc.nextInt() sc.nextInt sc 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() sc.nextInt sc System.out.println((sum >= H) ? "Yes" : "No") System.out.println System.out System System.out (sum >= H) ? "Yes" : "No" (sum >= H) sum H "Yes" "No" String[] args args public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), N = sc.nextInt();
    int sum = 0;
    for (int i = 0; i < N; i++) sum += sc.nextInt();
    System.out.println((sum >= H) ? "Yes" : "No");
  }
} public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), N = sc.nextInt();
    int sum = 0;
    for (int i = 0; i < N; i++) sum += sc.nextInt();
    System.out.println((sum >= H) ? "Yes" : "No");
  }
} Main
import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt(), N = sc.nextInt();
    int sum = 0;
    for (int i = 0; i < N; i++) sum += sc.nextInt();
    System.out.println((sum >= H) ? "Yes" : "No");
  }
}