import java.util.Scanner;

public class Main {

	public static void main(String args[]){

		Scanner scan = new Scanner(System.in);

		double h = scan.nextInt();
		double a = scan.nextInt();
		
		System.out.println((int)Math.ceil(h/a));
		
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String args[]){

		Scanner scan = new Scanner(System.in);

		double h = scan.nextInt();
		double a = scan.nextInt();
		
		System.out.println((int)Math.ceil(h/a));
		
	}
} Main public static void main(String args[]){

		Scanner scan = new Scanner(System.in);

		double h = scan.nextInt();
		double a = scan.nextInt();
		
		System.out.println((int)Math.ceil(h/a));
		
	} main {

		Scanner scan = new Scanner(System.in);

		double h = scan.nextInt();
		double a = scan.nextInt();
		
		System.out.println((int)Math.ceil(h/a));
		
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) double h = scan.nextInt(); h scan.nextInt() scan.nextInt scan double a = scan.nextInt(); a scan.nextInt() scan.nextInt scan System.out.println((int)Math.ceil(h/a)) System.out.println System.out System System.out (int)Math.ceil(h/a) Math.ceil Math h/a h a String args[] args public class Main {

	public static void main(String args[]){

		Scanner scan = new Scanner(System.in);

		double h = scan.nextInt();
		double a = scan.nextInt();
		
		System.out.println((int)Math.ceil(h/a));
		
	}
} public class Main {

	public static void main(String args[]){

		Scanner scan = new Scanner(System.in);

		double h = scan.nextInt();
		double a = scan.nextInt();
		
		System.out.println((int)Math.ceil(h/a));
		
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String args[]){

		Scanner scan = new Scanner(System.in);

		double h = scan.nextInt();
		double a = scan.nextInt();
		
		System.out.println((int)Math.ceil(h/a));
		
	}
}