import java.util.*;

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