import java.util.*;

public class Main{
  public static void main(String[] args) {
    Scanner sc=new Scanner(System.in);
    int h=sc.nextInt();
    int a=sc.nextInt();
    int count=0;
    while(h>0){
      h=h-a;
      count++;
    }

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

    System.out.println(count);
  }
} Main public static void main(String[] args) {
    Scanner sc=new Scanner(System.in);
    int h=sc.nextInt();
    int a=sc.nextInt();
    int count=0;
    while(h>0){
      h=h-a;
      count++;
    }

    System.out.println(count);
  } main {
    Scanner sc=new Scanner(System.in);
    int h=sc.nextInt();
    int a=sc.nextInt();
    int count=0;
    while(h>0){
      h=h-a;
      count++;
    }

    System.out.println(count);
  } Scanner sc=new Scanner(System.in); sc new Scanner(System.in) int h=sc.nextInt(); h sc.nextInt() sc.nextInt sc int a=sc.nextInt(); a sc.nextInt() sc.nextInt sc int count=0; count 0 while(h>0){
      h=h-a;
      count++;
    } h>0 h 0 {
      h=h-a;
      count++;
    } h=h-a h h-a h a count++ count System.out.println(count) System.out.println System.out System System.out count String[] args args public class Main{
  public static void main(String[] args) {
    Scanner sc=new Scanner(System.in);
    int h=sc.nextInt();
    int a=sc.nextInt();
    int count=0;
    while(h>0){
      h=h-a;
      count++;
    }

    System.out.println(count);
  }
} public class Main{
  public static void main(String[] args) {
    Scanner sc=new Scanner(System.in);
    int h=sc.nextInt();
    int a=sc.nextInt();
    int count=0;
    while(h>0){
      h=h-a;
      count++;
    }

    System.out.println(count);
  }
} Main
import java.util.*;

public class Main{
  public static void main(String[] args) {
    Scanner sc=new Scanner(System.in);
    int h=sc.nextInt();
    int a=sc.nextInt();
    int count=0;
    while(h>0){
      h=h-a;
      count++;
    }

    System.out.println(count);
  }
}
