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