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();

		if ((h % a) != 0) {
			System.out.println((h / a) + 1);
		} else {
			System.out.println((h / a));
		}

		sc.close();
	}
} 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();

		if ((h % a) != 0) {
			System.out.println((h / a) + 1);
		} else {
			System.out.println((h / a));
		}

		sc.close();
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int a = sc.nextInt();

		if ((h % a) != 0) {
			System.out.println((h / a) + 1);
		} else {
			System.out.println((h / a));
		}

		sc.close();
	} main {
		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int a = sc.nextInt();

		if ((h % a) != 0) {
			System.out.println((h / a) + 1);
		} else {
			System.out.println((h / a));
		}

		sc.close();
	} 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 if ((h % a) != 0) {
			System.out.println((h / a) + 1);
		} else {
			System.out.println((h / a));
		} (h % a) != 0 (h % a) h a 0 {
			System.out.println((h / a) + 1);
		} System.out.println((h / a) + 1) System.out.println System.out System System.out (h / a) + 1 (h / a) h a 1 {
			System.out.println((h / a));
		} System.out.println((h / a)) System.out.println System.out System System.out (h / a) h a sc.close() sc.close sc 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();

		if ((h % a) != 0) {
			System.out.println((h / a) + 1);
		} else {
			System.out.println((h / a));
		}

		sc.close();
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int h = sc.nextInt();
		int a = sc.nextInt();

		if ((h % a) != 0) {
			System.out.println((h / a) + 1);
		} else {
			System.out.println((h / a));
		}

		sc.close();
	}
} 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();

		if ((h % a) != 0) {
			System.out.println((h / a) + 1);
		} else {
			System.out.println((h / a));
		}

		sc.close();
	}
}