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 ans = 0;

		for(int i=0;i<20000;i++) {
			if(i*a >= h) {
				ans = i;
				break;
			}
		}

		System.out.println(ans);

	}
} 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 ans = 0;

		for(int i=0;i<20000;i++) {
			if(i*a >= h) {
				ans = i;
				break;
			}
		}

		System.out.println(ans);

	}
} Main public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();

		int ans = 0;

		for(int i=0;i<20000;i++) {
			if(i*a >= h) {
				ans = i;
				break;
			}
		}

		System.out.println(ans);

	} main {

		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();

		int ans = 0;

		for(int i=0;i<20000;i++) {
			if(i*a >= h) {
				ans = i;
				break;
			}
		}

		System.out.println(ans);

	} 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 ans = 0; ans 0 for(int i=0;i<20000;i++) {
			if(i*a >= h) {
				ans = i;
				break;
			}
		} int i=0; int i=0; i 0 i<20000 i 20000 i++ i++ i {
			if(i*a >= h) {
				ans = i;
				break;
			}
		} {
			if(i*a >= h) {
				ans = i;
				break;
			}
		} if(i*a >= h) {
				ans = i;
				break;
			} i*a >= h i*a i a h {
				ans = i;
				break;
			} ans = i ans i break; System.out.println(ans) System.out.println System.out System System.out ans 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 ans = 0;

		for(int i=0;i<20000;i++) {
			if(i*a >= h) {
				ans = i;
				break;
			}
		}

		System.out.println(ans);

	}
} public class Main {
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int a = sc.nextInt();

		int ans = 0;

		for(int i=0;i<20000;i++) {
			if(i*a >= h) {
				ans = i;
				break;
			}
		}

		System.out.println(ans);

	}
} 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 ans = 0;

		for(int i=0;i<20000;i++) {
			if(i*a >= h) {
				ans = i;
				break;
			}
		}

		System.out.println(ans);

	}
}
