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