import java.util.Scanner;

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

	static void solver() {
		Scanner sc = new Scanner(System.in);
		int s = sc.nextInt();
		if (s < 0 || s > 456)
			throw new AssertionError();
		int f = sc.nextInt();
		if (f <= 0 || f > 124)
			throw new AssertionError();
		System.out.println((s / f + 1));
	}
}