import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner kb = new Scanner(System.in);
		int i = kb.nextInt();
		int j = kb.nextInt();
		int count = 0;
		while (i > 0) {
			count += 1;
			i = i - j;
		}
		kb.close();
		System.out.println(count);
	}

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

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner kb = new Scanner(System.in);
		int i = kb.nextInt();
		int j = kb.nextInt();
		int count = 0;
		while (i > 0) {
			count += 1;
			i = i - j;
		}
		kb.close();
		System.out.println(count);
	}

} Main public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner kb = new Scanner(System.in);
		int i = kb.nextInt();
		int j = kb.nextInt();
		int count = 0;
		while (i > 0) {
			count += 1;
			i = i - j;
		}
		kb.close();
		System.out.println(count);
	} main {
		// TODO Auto-generated method stub
		Scanner kb = new Scanner(System.in);
		int i = kb.nextInt();
		int j = kb.nextInt();
		int count = 0;
		while (i > 0) {
			count += 1;
			i = i - j;
		}
		kb.close();
		System.out.println(count);
	} Scanner kb = new Scanner(System.in); kb new Scanner(System.in) int i = kb.nextInt(); i kb.nextInt() kb.nextInt kb int j = kb.nextInt(); j kb.nextInt() kb.nextInt kb int count = 0; count 0 while (i > 0) {
			count += 1;
			i = i - j;
		} i > 0 i 0 {
			count += 1;
			i = i - j;
		} count += 1 count 1 i = i - j i i - j i j kb.close() kb.close kb System.out.println(count) System.out.println System.out System System.out count String[] args args public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner kb = new Scanner(System.in);
		int i = kb.nextInt();
		int j = kb.nextInt();
		int count = 0;
		while (i > 0) {
			count += 1;
			i = i - j;
		}
		kb.close();
		System.out.println(count);
	}

} public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner kb = new Scanner(System.in);
		int i = kb.nextInt();
		int j = kb.nextInt();
		int count = 0;
		while (i > 0) {
			count += 1;
			i = i - j;
		}
		kb.close();
		System.out.println(count);
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner kb = new Scanner(System.in);
		int i = kb.nextInt();
		int j = kb.nextInt();
		int count = 0;
		while (i > 0) {
			count += 1;
			i = i - j;
		}
		kb.close();
		System.out.println(count);
	}

}
