import java.util.*;
import java.math.*;
public class Main{
	public static void main(String[] args) {
		try{
			Scanner s1 = new Scanner(System.in);
			double h = s1.nextInt();
			double a = s1.nextInt();
			double c = Math.ceil(h/a);
			int d = (int)c;
			System.out.println(d);
		}
		catch(Exception e){
			System.out.println(e.getMessage());
		}
	}
} import java.util.*; util.* java import java.math.*; math.* java public class Main{
	public static void main(String[] args) {
		try{
			Scanner s1 = new Scanner(System.in);
			double h = s1.nextInt();
			double a = s1.nextInt();
			double c = Math.ceil(h/a);
			int d = (int)c;
			System.out.println(d);
		}
		catch(Exception e){
			System.out.println(e.getMessage());
		}
	}
} Main public static void main(String[] args) {
		try{
			Scanner s1 = new Scanner(System.in);
			double h = s1.nextInt();
			double a = s1.nextInt();
			double c = Math.ceil(h/a);
			int d = (int)c;
			System.out.println(d);
		}
		catch(Exception e){
			System.out.println(e.getMessage());
		}
	} main {
		try{
			Scanner s1 = new Scanner(System.in);
			double h = s1.nextInt();
			double a = s1.nextInt();
			double c = Math.ceil(h/a);
			int d = (int)c;
			System.out.println(d);
		}
		catch(Exception e){
			System.out.println(e.getMessage());
		}
	} try{
			Scanner s1 = new Scanner(System.in);
			double h = s1.nextInt();
			double a = s1.nextInt();
			double c = Math.ceil(h/a);
			int d = (int)c;
			System.out.println(d);
		}
		catch(Exception e){
			System.out.println(e.getMessage());
		} catch(Exception e){
			System.out.println(e.getMessage());
		} Exception e {
			System.out.println(e.getMessage());
		} System.out.println(e.getMessage()) System.out.println System.out System System.out e.getMessage() e.getMessage e {
			Scanner s1 = new Scanner(System.in);
			double h = s1.nextInt();
			double a = s1.nextInt();
			double c = Math.ceil(h/a);
			int d = (int)c;
			System.out.println(d);
		} Scanner s1 = new Scanner(System.in); s1 new Scanner(System.in) double h = s1.nextInt(); h s1.nextInt() s1.nextInt s1 double a = s1.nextInt(); a s1.nextInt() s1.nextInt s1 double c = Math.ceil(h/a); c Math.ceil(h/a) Math.ceil Math h/a h a int d = (int)c; d (int)c System.out.println(d) System.out.println System.out System System.out d String[] args args public class Main{
	public static void main(String[] args) {
		try{
			Scanner s1 = new Scanner(System.in);
			double h = s1.nextInt();
			double a = s1.nextInt();
			double c = Math.ceil(h/a);
			int d = (int)c;
			System.out.println(d);
		}
		catch(Exception e){
			System.out.println(e.getMessage());
		}
	}
} public class Main{
	public static void main(String[] args) {
		try{
			Scanner s1 = new Scanner(System.in);
			double h = s1.nextInt();
			double a = s1.nextInt();
			double c = Math.ceil(h/a);
			int d = (int)c;
			System.out.println(d);
		}
		catch(Exception e){
			System.out.println(e.getMessage());
		}
	}
} Main
import java.util.*;
import java.math.*;
public class Main{
	public static void main(String[] args) {
		try{
			Scanner s1 = new Scanner(System.in);
			double h = s1.nextInt();
			double a = s1.nextInt();
			double c = Math.ceil(h/a);
			int d = (int)c;
			System.out.println(d);
		}
		catch(Exception e){
			System.out.println(e.getMessage());
		}
	}
}