import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();
		int i=1;
		int tmp=h;
		while(true) {
			tmp = tmp-a;
			if(tmp <= 0) break;
			i++;
		}
		System.out.println(i);
		sc.close();

	}

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

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();
		int i=1;
		int tmp=h;
		while(true) {
			tmp = tmp-a;
			if(tmp <= 0) break;
			i++;
		}
		System.out.println(i);
		sc.close();

	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();
		int i=1;
		int tmp=h;
		while(true) {
			tmp = tmp-a;
			if(tmp <= 0) break;
			i++;
		}
		System.out.println(i);
		sc.close();

	} main {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();
		int i=1;
		int tmp=h;
		while(true) {
			tmp = tmp-a;
			if(tmp <= 0) break;
			i++;
		}
		System.out.println(i);
		sc.close();

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int h = sc.nextInt(); h sc.nextInt() sc.nextInt sc int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int i=1; i 1 int tmp=h; tmp h while(true) {
			tmp = tmp-a;
			if(tmp <= 0) break;
			i++;
		} true {
			tmp = tmp-a;
			if(tmp <= 0) break;
			i++;
		} tmp = tmp-a tmp tmp-a tmp a if(tmp <= 0) break; tmp <= 0 tmp 0 break; i++ i System.out.println(i) System.out.println System.out System System.out i sc.close() sc.close sc String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();
		int i=1;
		int tmp=h;
		while(true) {
			tmp = tmp-a;
			if(tmp <= 0) break;
			i++;
		}
		System.out.println(i);
		sc.close();

	}

} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();
		int i=1;
		int tmp=h;
		while(true) {
			tmp = tmp-a;
			if(tmp <= 0) break;
			i++;
		}
		System.out.println(i);
		sc.close();

	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();
		int i=1;
		int tmp=h;
		while(true) {
			tmp = tmp-a;
			if(tmp <= 0) break;
			i++;
		}
		System.out.println(i);
		sc.close();

	}

}