import java.util.Scanner;
public class Main{

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		int h=input.nextInt();
		int a = input.nextInt();
		int sum=0;
		sum+=h/a;
		if(h%a >0)
			sum+=1;
		System.out.println(sum);
				
		

	}

} import java.util.Scanner; Scanner java.util public class Main{

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		int h=input.nextInt();
		int a = input.nextInt();
		int sum=0;
		sum+=h/a;
		if(h%a >0)
			sum+=1;
		System.out.println(sum);
				
		

	}

} Main public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		int h=input.nextInt();
		int a = input.nextInt();
		int sum=0;
		sum+=h/a;
		if(h%a >0)
			sum+=1;
		System.out.println(sum);
				
		

	} main {
		Scanner input = new Scanner(System.in);
		int h=input.nextInt();
		int a = input.nextInt();
		int sum=0;
		sum+=h/a;
		if(h%a >0)
			sum+=1;
		System.out.println(sum);
				
		

	} Scanner input = new Scanner(System.in); input new Scanner(System.in) int h=input.nextInt(); h input.nextInt() input.nextInt input int a = input.nextInt(); a input.nextInt() input.nextInt input int sum=0; sum 0 sum+=h/a sum h/a h a if(h%a >0)
			sum+=1; h%a >0 h%a h a 0 sum+=1 sum 1 System.out.println(sum) System.out.println System.out System System.out sum String[] args args public class Main{

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		int h=input.nextInt();
		int a = input.nextInt();
		int sum=0;
		sum+=h/a;
		if(h%a >0)
			sum+=1;
		System.out.println(sum);
				
		

	}

} public class Main{

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		int h=input.nextInt();
		int a = input.nextInt();
		int sum=0;
		sum+=h/a;
		if(h%a >0)
			sum+=1;
		System.out.println(sum);
				
		

	}

} Main
import java.util.Scanner;
public class Main{

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		int h=input.nextInt();
		int a = input.nextInt();
		int sum=0;
		sum+=h/a;
		if(h%a >0)
			sum+=1;
		System.out.println(sum);
				
		

	}

}
