import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int con = 0;

		con = H /A;
		if (H %A != 0 ) {
			con++;
		}
		System.out.println(con);
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int con = 0;

		con = H /A;
		if (H %A != 0 ) {
			con++;
		}
		System.out.println(con);
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int con = 0;

		con = H /A;
		if (H %A != 0 ) {
			con++;
		}
		System.out.println(con);
	} main {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int con = 0;

		con = H /A;
		if (H %A != 0 ) {
			con++;
		}
		System.out.println(con);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int H = sc.nextInt(); H sc.nextInt() sc.nextInt sc int A = sc.nextInt(); A sc.nextInt() sc.nextInt sc int con = 0; con 0 con = H /A con H /A H A if (H %A != 0 ) {
			con++;
		} H %A != 0 H %A H A 0 {
			con++;
		} con++ con System.out.println(con) System.out.println System.out System System.out con String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int con = 0;

		con = H /A;
		if (H %A != 0 ) {
			con++;
		}
		System.out.println(con);
	}
} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int con = 0;

		con = H /A;
		if (H %A != 0 ) {
			con++;
		}
		System.out.println(con);
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = sc.nextInt();
		int A = sc.nextInt();
		int con = 0;

		con = H /A;
		if (H %A != 0 ) {
			con++;
		}
		System.out.println(con);
	}
}