import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Scanner;
import java.util.Set;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		final int S = sc.nextInt();
		final int F = sc.nextInt();
		
		System.out.println(((S + F) / F));
	}

}