import java.util.Scanner;
import java.lang.Math; 

public class Main 
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);
		double h= input.nextDouble();
		double a = input.nextDouble();
		int res = (int)Math.ceil(h/a);
		 
		System.out.println(res);
		
	}

} import java.util.Scanner; Scanner java.util import java.lang.Math; Math java.lang public class Main 
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);
		double h= input.nextDouble();
		double a = input.nextDouble();
		int res = (int)Math.ceil(h/a);
		 
		System.out.println(res);
		
	}

} Main public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);
		double h= input.nextDouble();
		double a = input.nextDouble();
		int res = (int)Math.ceil(h/a);
		 
		System.out.println(res);
		
	} main {
		Scanner input = new Scanner(System.in);
		double h= input.nextDouble();
		double a = input.nextDouble();
		int res = (int)Math.ceil(h/a);
		 
		System.out.println(res);
		
	} Scanner input = new Scanner(System.in); input new Scanner(System.in) double h= input.nextDouble(); h input.nextDouble() input.nextDouble input double a = input.nextDouble(); a input.nextDouble() input.nextDouble input int res = (int)Math.ceil(h/a); res (int)Math.ceil(h/a) Math.ceil Math h/a h a System.out.println(res) System.out.println System.out System System.out res String[] args args public class Main 
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);
		double h= input.nextDouble();
		double a = input.nextDouble();
		int res = (int)Math.ceil(h/a);
		 
		System.out.println(res);
		
	}

} public class Main 
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);
		double h= input.nextDouble();
		double a = input.nextDouble();
		int res = (int)Math.ceil(h/a);
		 
		System.out.println(res);
		
	}

} Main
import java.util.Scanner;
import java.lang.Math; 

public class Main 
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);
		double h= input.nextDouble();
		double a = input.nextDouble();
		int res = (int)Math.ceil(h/a);
		 
		System.out.println(res);
		
	}

}
