import java.util.*;

class Main {
    public static void main(String args[]) {
        Scanner inp = new Scanner(System.in);
        do_(inp);
        inp.close();
    }
    public static void do_(Scanner inp) {
        double a = inp.nextDouble();
        double b = inp.nextDouble();
        System.out.println((int)Math.ceil(a / b));
    }
} import java.util.*; util.* java class Main {
    public static void main(String args[]) {
        Scanner inp = new Scanner(System.in);
        do_(inp);
        inp.close();
    }
    public static void do_(Scanner inp) {
        double a = inp.nextDouble();
        double b = inp.nextDouble();
        System.out.println((int)Math.ceil(a / b));
    }
} Main public static void main(String args[]) {
        Scanner inp = new Scanner(System.in);
        do_(inp);
        inp.close();
    } main {
        Scanner inp = new Scanner(System.in);
        do_(inp);
        inp.close();
    } Scanner inp = new Scanner(System.in); inp new Scanner(System.in) do_(inp) do_ inp inp.close() inp.close inp String args[] args public static void do_(Scanner inp) {
        double a = inp.nextDouble();
        double b = inp.nextDouble();
        System.out.println((int)Math.ceil(a / b));
    } do_ {
        double a = inp.nextDouble();
        double b = inp.nextDouble();
        System.out.println((int)Math.ceil(a / b));
    } double a = inp.nextDouble(); a inp.nextDouble() inp.nextDouble inp double b = inp.nextDouble(); b inp.nextDouble() inp.nextDouble inp System.out.println((int)Math.ceil(a / b)) System.out.println System.out System System.out (int)Math.ceil(a / b) Math.ceil Math a / b a b Scanner inp inp
import java.util.*;

class Main {
    public static void main(String args[]) {
        Scanner inp = new Scanner(System.in);
        do_(inp);
        inp.close();
    }
    public static void do_(Scanner inp) {
        double a = inp.nextDouble();
        double b = inp.nextDouble();
        System.out.println((int)Math.ceil(a / b));
    }
}
