import java.util.Scanner;
	public class Main{
      public static void main(String[]args){
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
        int a = sc.nextInt();
		if(h%a==0){
          System.out.println(h/a);
        }else {
          System.out.println(h/a+1);
        }
	}
} import java.util.Scanner; Scanner 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();
		if(h%a==0){
          System.out.println(h/a);
        }else {
          System.out.println(h/a+1);
        }
	}
} Main public static void main(String[]args){
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
        int a = sc.nextInt();
		if(h%a==0){
          System.out.println(h/a);
        }else {
          System.out.println(h/a+1);
        }
	} main {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
        int a = sc.nextInt();
		if(h%a==0){
          System.out.println(h/a);
        }else {
          System.out.println(h/a+1);
        }
	} 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 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(h/a) System.out.println System.out System System.out h/a h a {
          System.out.println(h/a+1);
        } 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 public class Main{
      public static void main(String[]args){
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
        int a = sc.nextInt();
		if(h%a==0){
          System.out.println(h/a);
        }else {
          System.out.println(h/a+1);
        }
	}
} public class Main{
      public static void main(String[]args){
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
        int a = sc.nextInt();
		if(h%a==0){
          System.out.println(h/a);
        }else {
          System.out.println(h/a+1);
        }
	}
} Main
import java.util.Scanner;
	public class Main{
      public static void main(String[]args){
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
        int a = sc.nextInt();
		if(h%a==0){
          System.out.println(h/a);
        }else {
          System.out.println(h/a+1);
        }
	}
}