import java.util.Scanner;

public class Main {
	//C問題

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a;
		int h;
		int ans;

		h = scanner.nextInt();
		a = scanner.nextInt();
		ans = 0;

		while (true) {
			ans++;

			h = h - a;

			if (h <= 0) {
				break;
			}
		}

		System.out.println(ans);

	}

} import java.util.Scanner; Scanner java.util public class Main {
	//C問題

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a;
		int h;
		int ans;

		h = scanner.nextInt();
		a = scanner.nextInt();
		ans = 0;

		while (true) {
			ans++;

			h = h - a;

			if (h <= 0) {
				break;
			}
		}

		System.out.println(ans);

	}

} Main public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a;
		int h;
		int ans;

		h = scanner.nextInt();
		a = scanner.nextInt();
		ans = 0;

		while (true) {
			ans++;

			h = h - a;

			if (h <= 0) {
				break;
			}
		}

		System.out.println(ans);

	} main {
		Scanner scanner = new Scanner(System.in);
		int a;
		int h;
		int ans;

		h = scanner.nextInt();
		a = scanner.nextInt();
		ans = 0;

		while (true) {
			ans++;

			h = h - a;

			if (h <= 0) {
				break;
			}
		}

		System.out.println(ans);

	} Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int a; a int h; h int ans; ans h = scanner.nextInt() h scanner.nextInt() scanner.nextInt scanner a = scanner.nextInt() a scanner.nextInt() scanner.nextInt scanner ans = 0 ans 0 while (true) {
			ans++;

			h = h - a;

			if (h <= 0) {
				break;
			}
		} true {
			ans++;

			h = h - a;

			if (h <= 0) {
				break;
			}
		} ans++ ans h = h - a h h - a h a if (h <= 0) {
				break;
			} h <= 0 h 0 {
				break;
			} break; System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
	//C問題

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a;
		int h;
		int ans;

		h = scanner.nextInt();
		a = scanner.nextInt();
		ans = 0;

		while (true) {
			ans++;

			h = h - a;

			if (h <= 0) {
				break;
			}
		}

		System.out.println(ans);

	}

} public class Main {
	//C問題

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a;
		int h;
		int ans;

		h = scanner.nextInt();
		a = scanner.nextInt();
		ans = 0;

		while (true) {
			ans++;

			h = h - a;

			if (h <= 0) {
				break;
			}
		}

		System.out.println(ans);

	}

} Main
import java.util.Scanner;

public class Main {
	//C問題

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a;
		int h;
		int ans;

		h = scanner.nextInt();
		a = scanner.nextInt();
		ans = 0;

		while (true) {
			ans++;

			h = h - a;

			if (h <= 0) {
				break;
			}
		}

		System.out.println(ans);

	}

}