import java.text.DecimalFormat;
import java.util.*;
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double h = sc.nextDouble();
        double a = sc.nextDouble();

        System.out.println((new DecimalFormat("###########")).format(Math.ceil(h/a)));
    }
} import java.text.DecimalFormat; DecimalFormat java.text import java.util.*; util.* java public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double h = sc.nextDouble();
        double a = sc.nextDouble();

        System.out.println((new DecimalFormat("###########")).format(Math.ceil(h/a)));
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double h = sc.nextDouble();
        double a = sc.nextDouble();

        System.out.println((new DecimalFormat("###########")).format(Math.ceil(h/a)));
    } main {
        Scanner sc = new Scanner(System.in);
        double h = sc.nextDouble();
        double a = sc.nextDouble();

        System.out.println((new DecimalFormat("###########")).format(Math.ceil(h/a)));
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) double h = sc.nextDouble(); h sc.nextDouble() sc.nextDouble sc double a = sc.nextDouble(); a sc.nextDouble() sc.nextDouble sc System.out.println((new DecimalFormat("###########")).format(Math.ceil(h/a))) System.out.println System.out System System.out (new DecimalFormat("###########")).format(Math.ceil(h/a)) (new DecimalFormat("###########")).format (new DecimalFormat("###########")) Math.ceil(h/a) Math.ceil Math h/a h a String[] args args public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double h = sc.nextDouble();
        double a = sc.nextDouble();

        System.out.println((new DecimalFormat("###########")).format(Math.ceil(h/a)));
    }
} public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double h = sc.nextDouble();
        double a = sc.nextDouble();

        System.out.println((new DecimalFormat("###########")).format(Math.ceil(h/a)));
    }
} Main
import java.text.DecimalFormat;
import java.util.*;
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        double h = sc.nextDouble();
        double a = sc.nextDouble();

        System.out.println((new DecimalFormat("###########")).format(Math.ceil(h/a)));
    }
}