import java.util.*;
public class Main
{
  public static void main(String args[])
  {
    Scanner in=new Scanner(System.in);
    int h,a,c=0;
    h=in.nextInt();
    a=in.nextInt();
    while(h>0)
    {
      h=h-a;
      c=c+1;
    }
    System.out.println(c);
  }
} import java.util.*; util.* java public class Main
{
  public static void main(String args[])
  {
    Scanner in=new Scanner(System.in);
    int h,a,c=0;
    h=in.nextInt();
    a=in.nextInt();
    while(h>0)
    {
      h=h-a;
      c=c+1;
    }
    System.out.println(c);
  }
} Main public static void main(String args[])
  {
    Scanner in=new Scanner(System.in);
    int h,a,c=0;
    h=in.nextInt();
    a=in.nextInt();
    while(h>0)
    {
      h=h-a;
      c=c+1;
    }
    System.out.println(c);
  } main {
    Scanner in=new Scanner(System.in);
    int h,a,c=0;
    h=in.nextInt();
    a=in.nextInt();
    while(h>0)
    {
      h=h-a;
      c=c+1;
    }
    System.out.println(c);
  } Scanner in=new Scanner(System.in); in new Scanner(System.in) int h h a a c=0; c 0 h=in.nextInt() h in.nextInt() in.nextInt in a=in.nextInt() a in.nextInt() in.nextInt in while(h>0)
    {
      h=h-a;
      c=c+1;
    } h>0 h 0 {
      h=h-a;
      c=c+1;
    } h=h-a h h-a h a c=c+1 c c+1 c 1 System.out.println(c) System.out.println System.out System System.out c String args[] args public class Main
{
  public static void main(String args[])
  {
    Scanner in=new Scanner(System.in);
    int h,a,c=0;
    h=in.nextInt();
    a=in.nextInt();
    while(h>0)
    {
      h=h-a;
      c=c+1;
    }
    System.out.println(c);
  }
} public class Main
{
  public static void main(String args[])
  {
    Scanner in=new Scanner(System.in);
    int h,a,c=0;
    h=in.nextInt();
    a=in.nextInt();
    while(h>0)
    {
      h=h-a;
      c=c+1;
    }
    System.out.println(c);
  }
} Main
import java.util.*;
public class Main
{
  public static void main(String args[])
  {
    Scanner in=new Scanner(System.in);
    int h,a,c=0;
    h=in.nextInt();
    a=in.nextInt();
    while(h>0)
    {
      h=h-a;
      c=c+1;
    }
    System.out.println(c);
  }
}
