import java.util.Scanner;

class Main {

    public static void main(String[] args) {
	Scanner stdIn = new Scanner(System.in);

	int h = stdIn.nextInt();
	int a = stdIn.nextInt();

	System.out.println(h%a==0 ? h/a : h/a+1);
    }
} import java.util.Scanner; Scanner java.util class Main {

    public static void main(String[] args) {
	Scanner stdIn = new Scanner(System.in);

	int h = stdIn.nextInt();
	int a = stdIn.nextInt();

	System.out.println(h%a==0 ? h/a : h/a+1);
    }
} Main public static void main(String[] args) {
	Scanner stdIn = new Scanner(System.in);

	int h = stdIn.nextInt();
	int a = stdIn.nextInt();

	System.out.println(h%a==0 ? h/a : h/a+1);
    } main {
	Scanner stdIn = new Scanner(System.in);

	int h = stdIn.nextInt();
	int a = stdIn.nextInt();

	System.out.println(h%a==0 ? h/a : h/a+1);
    } Scanner stdIn = new Scanner(System.in); stdIn new Scanner(System.in) int h = stdIn.nextInt(); h stdIn.nextInt() stdIn.nextInt stdIn int a = stdIn.nextInt(); a stdIn.nextInt() stdIn.nextInt stdIn System.out.println(h%a==0 ? h/a : h/a+1) System.out.println System.out System System.out h%a==0 ? h/a : h/a+1 h%a==0 h%a h a 0 h/a h a h/a+1 h/a h a 1 String[] args args
import java.util.Scanner;

class Main {

    public static void main(String[] args) {
	Scanner stdIn = new Scanner(System.in);

	int h = stdIn.nextInt();
	int a = stdIn.nextInt();

	System.out.println(h%a==0 ? h/a : h/a+1);
    }
}