import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		int ans = h / a;
		if(ans * a == h) {
			System.out.print(ans);
			return;
		}
		else {
			System.out.print(ans+1);
		}
	}

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

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		int ans = h / a;
		if(ans * a == h) {
			System.out.print(ans);
			return;
		}
		else {
			System.out.print(ans+1);
		}
	}

} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		int ans = h / a;
		if(ans * a == h) {
			System.out.print(ans);
			return;
		}
		else {
			System.out.print(ans+1);
		}
	} main {
		// TODO 自動生成されたメソッド・スタブ
		
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		int ans = h / a;
		if(ans * a == h) {
			System.out.print(ans);
			return;
		}
		else {
			System.out.print(ans+1);
		}
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int h = scan.nextInt(); h scan.nextInt() scan.nextInt scan int a = scan.nextInt(); a scan.nextInt() scan.nextInt scan int ans = h / a; ans h / a h a if(ans * a == h) {
			System.out.print(ans);
			return;
		}
		else {
			System.out.print(ans+1);
		} ans * a == h ans * a ans a h {
			System.out.print(ans);
			return;
		} System.out.print(ans) System.out.print System.out System System.out ans return; {
			System.out.print(ans+1);
		} System.out.print(ans+1) System.out.print System.out System System.out ans+1 ans 1 String[] args args public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		int ans = h / a;
		if(ans * a == h) {
			System.out.print(ans);
			return;
		}
		else {
			System.out.print(ans+1);
		}
	}

} public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		int ans = h / a;
		if(ans * a == h) {
			System.out.print(ans);
			return;
		}
		else {
			System.out.print(ans+1);
		}
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		
		Scanner scan = new Scanner(System.in);
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		int ans = h / a;
		if(ans * a == h) {
			System.out.print(ans);
			return;
		}
		else {
			System.out.print(ans+1);
		}
	}

}
