import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

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

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