import java.io.*;
class Main
{
public static void main(String[] args) throws IOException{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));			   
String[] strs=br.readLine().trim().split("\\s+");     
  int h,a;
  h=Integer.parseInt(strs[0]);
  a=Integer.parseInt(strs[1]);
  if(h%a==0)
    System.out.println(h/a);
  else
    System.out.println((h/a)+1);
}
} import java.io.*; io.* java class Main
{
public static void main(String[] args) throws IOException{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));			   
String[] strs=br.readLine().trim().split("\\s+");     
  int h,a;
  h=Integer.parseInt(strs[0]);
  a=Integer.parseInt(strs[1]);
  if(h%a==0)
    System.out.println(h/a);
  else
    System.out.println((h/a)+1);
}
} Main public static void main(String[] args) throws IOException{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));			   
String[] strs=br.readLine().trim().split("\\s+");     
  int h,a;
  h=Integer.parseInt(strs[0]);
  a=Integer.parseInt(strs[1]);
  if(h%a==0)
    System.out.println(h/a);
  else
    System.out.println((h/a)+1);
} main {
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));			   
String[] strs=br.readLine().trim().split("\\s+");     
  int h,a;
  h=Integer.parseInt(strs[0]);
  a=Integer.parseInt(strs[1]);
  if(h%a==0)
    System.out.println(h/a);
  else
    System.out.println((h/a)+1);
} BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String[] strs=br.readLine().trim().split("\\s+"); strs br.readLine().trim().split("\\s+") br.readLine().trim().split br.readLine().trim() br.readLine().trim br.readLine() br.readLine br "\\s+" int h h a; a h=Integer.parseInt(strs[0]) h Integer.parseInt(strs[0]) Integer.parseInt Integer strs[0] strs 0 a=Integer.parseInt(strs[1]) a Integer.parseInt(strs[1]) Integer.parseInt Integer strs[1] strs 1 if(h%a==0)
    System.out.println(h/a);
  else
    System.out.println((h/a)+1); h%a==0 h%a h a 0 System.out.println(h/a) System.out.println System.out System System.out h/a h a System.out.println((h/a)+1) System.out.println System.out System System.out (h/a)+1 (h/a) h a 1 String[] args args
import java.io.*;
class Main
{
public static void main(String[] args) throws IOException{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));			   
String[] strs=br.readLine().trim().split("\\s+");     
  int h,a;
  h=Integer.parseInt(strs[0]);
  a=Integer.parseInt(strs[1]);
  if(h%a==0)
    System.out.println(h/a);
  else
    System.out.println((h/a)+1);
}
}