import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		int ans = 0;
		Scanner sc = new Scanner(System.in);
		int S = sc.nextInt();
		int F = sc.nextInt();
		ans = S / F;
		if (S % F >= 0) {
			System.out.println(ans + 1);
		} else {
			System.out.println(ans);
		}
	}
}