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