import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = Integer.parseInt(sc.next());
		int A = Integer.parseInt(sc.next());
		sc.close();

		if(H <= A) {
			System.out.println(1);
		}else {
			if(H % A == 0) {
				System.out.println(H / A);
			}else {
				System.out.println(H / A + 1);
			}
		}
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = Integer.parseInt(sc.next());
		int A = Integer.parseInt(sc.next());
		sc.close();

		if(H <= A) {
			System.out.println(1);
		}else {
			if(H % A == 0) {
				System.out.println(H / A);
			}else {
				System.out.println(H / A + 1);
			}
		}
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = Integer.parseInt(sc.next());
		int A = Integer.parseInt(sc.next());
		sc.close();

		if(H <= A) {
			System.out.println(1);
		}else {
			if(H % A == 0) {
				System.out.println(H / A);
			}else {
				System.out.println(H / A + 1);
			}
		}
	} main {
		Scanner sc = new Scanner(System.in);
		int H = Integer.parseInt(sc.next());
		int A = Integer.parseInt(sc.next());
		sc.close();

		if(H <= A) {
			System.out.println(1);
		}else {
			if(H % A == 0) {
				System.out.println(H / A);
			}else {
				System.out.println(H / A + 1);
			}
		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int H = Integer.parseInt(sc.next()); H Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int A = Integer.parseInt(sc.next()); A Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc sc.close() sc.close sc if(H <= A) {
			System.out.println(1);
		}else {
			if(H % A == 0) {
				System.out.println(H / A);
			}else {
				System.out.println(H / A + 1);
			}
		} H <= A H A {
			System.out.println(1);
		} System.out.println(1) System.out.println System.out System System.out 1 {
			if(H % A == 0) {
				System.out.println(H / A);
			}else {
				System.out.println(H / A + 1);
			}
		} if(H % A == 0) {
				System.out.println(H / A);
			}else {
				System.out.println(H / A + 1);
			} H % A == 0 H % A H A 0 {
				System.out.println(H / A);
			} System.out.println(H / A) System.out.println System.out System System.out H / A H A {
				System.out.println(H / A + 1);
			} System.out.println(H / A + 1) System.out.println System.out System System.out H / A + 1 H / A H A 1 String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = Integer.parseInt(sc.next());
		int A = Integer.parseInt(sc.next());
		sc.close();

		if(H <= A) {
			System.out.println(1);
		}else {
			if(H % A == 0) {
				System.out.println(H / A);
			}else {
				System.out.println(H / A + 1);
			}
		}
	}
} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = Integer.parseInt(sc.next());
		int A = Integer.parseInt(sc.next());
		sc.close();

		if(H <= A) {
			System.out.println(1);
		}else {
			if(H % A == 0) {
				System.out.println(H / A);
			}else {
				System.out.println(H / A + 1);
			}
		}
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int H = Integer.parseInt(sc.next());
		int A = Integer.parseInt(sc.next());
		sc.close();

		if(H <= A) {
			System.out.println(1);
		}else {
			if(H % A == 0) {
				System.out.println(H / A);
			}else {
				System.out.println(H / A + 1);
			}
		}
	}
}