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