import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc =new Scanner(System.in);
        int a=sc.nextInt();
        int b= sc.nextInt();

        if (a%b==0)
            System.out.println(a/b);
        else
            System.out.println(a/b+1);
    }
}