import java.util.Scanner;

public class Main
{
	public static int main0(String[] args) {
		int servalDPS, monsterHealth;
		Scanner sc = new Scanner(System.in);
		monsterHealth = sc.nextInt();
		servalDPS = sc.nextInt();
		int remains = monsterHealth % servalDPS;
		if (remains == 0) return monsterHealth / servalDPS;
		else return monsterHealth / servalDPS + 1;
	}

	public static void main(String[] args) {
		int res = main0(args);
		System.out.print(res);
	}
} import java.util.Scanner; Scanner java.util public class Main
{
	public static int main0(String[] args) {
		int servalDPS, monsterHealth;
		Scanner sc = new Scanner(System.in);
		monsterHealth = sc.nextInt();
		servalDPS = sc.nextInt();
		int remains = monsterHealth % servalDPS;
		if (remains == 0) return monsterHealth / servalDPS;
		else return monsterHealth / servalDPS + 1;
	}

	public static void main(String[] args) {
		int res = main0(args);
		System.out.print(res);
	}
} Main public static int main0(String[] args) {
		int servalDPS, monsterHealth;
		Scanner sc = new Scanner(System.in);
		monsterHealth = sc.nextInt();
		servalDPS = sc.nextInt();
		int remains = monsterHealth % servalDPS;
		if (remains == 0) return monsterHealth / servalDPS;
		else return monsterHealth / servalDPS + 1;
	} main0 {
		int servalDPS, monsterHealth;
		Scanner sc = new Scanner(System.in);
		monsterHealth = sc.nextInt();
		servalDPS = sc.nextInt();
		int remains = monsterHealth % servalDPS;
		if (remains == 0) return monsterHealth / servalDPS;
		else return monsterHealth / servalDPS + 1;
	} int servalDPS servalDPS monsterHealth; monsterHealth Scanner sc = new Scanner(System.in); sc new Scanner(System.in) monsterHealth = sc.nextInt() monsterHealth sc.nextInt() sc.nextInt sc servalDPS = sc.nextInt() servalDPS sc.nextInt() sc.nextInt sc int remains = monsterHealth % servalDPS; remains monsterHealth % servalDPS monsterHealth servalDPS if (remains == 0) return monsterHealth / servalDPS;
		else return monsterHealth / servalDPS + 1; remains == 0 remains 0 return monsterHealth / servalDPS; monsterHealth / servalDPS monsterHealth servalDPS return monsterHealth / servalDPS + 1; monsterHealth / servalDPS + 1 monsterHealth / servalDPS monsterHealth servalDPS 1 String[] args args public static void main(String[] args) {
		int res = main0(args);
		System.out.print(res);
	} main {
		int res = main0(args);
		System.out.print(res);
	} int res = main0(args); res main0(args) main0 args System.out.print(res) System.out.print System.out System System.out res String[] args args public class Main
{
	public static int main0(String[] args) {
		int servalDPS, monsterHealth;
		Scanner sc = new Scanner(System.in);
		monsterHealth = sc.nextInt();
		servalDPS = sc.nextInt();
		int remains = monsterHealth % servalDPS;
		if (remains == 0) return monsterHealth / servalDPS;
		else return monsterHealth / servalDPS + 1;
	}

	public static void main(String[] args) {
		int res = main0(args);
		System.out.print(res);
	}
} public class Main
{
	public static int main0(String[] args) {
		int servalDPS, monsterHealth;
		Scanner sc = new Scanner(System.in);
		monsterHealth = sc.nextInt();
		servalDPS = sc.nextInt();
		int remains = monsterHealth % servalDPS;
		if (remains == 0) return monsterHealth / servalDPS;
		else return monsterHealth / servalDPS + 1;
	}

	public static void main(String[] args) {
		int res = main0(args);
		System.out.print(res);
	}
} Main
import java.util.Scanner;

public class Main
{
	public static int main0(String[] args) {
		int servalDPS, monsterHealth;
		Scanner sc = new Scanner(System.in);
		monsterHealth = sc.nextInt();
		servalDPS = sc.nextInt();
		int remains = monsterHealth % servalDPS;
		if (remains == 0) return monsterHealth / servalDPS;
		else return monsterHealth / servalDPS + 1;
	}

	public static void main(String[] args) {
		int res = main0(args);
		System.out.print(res);
	}
}