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