import java.util.*;
import java.math.*;
import java.util.Arrays;

public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int a = sc.nextInt();

    int count = 0;

    while (h > 0) {
      h -= a;
      count++;
    }

    System.out.println(count);

  }

} import java.util.*; util.* java import java.math.*; math.* java import java.util.Arrays; Arrays java.util public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int a = sc.nextInt();

    int count = 0;

    while (h > 0) {
      h -= a;
      count++;
    }

    System.out.println(count);

  }

} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int a = sc.nextInt();

    int count = 0;

    while (h > 0) {
      h -= a;
      count++;
    }

    System.out.println(count);

  } main {
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int a = sc.nextInt();

    int count = 0;

    while (h > 0) {
      h -= a;
      count++;
    }

    System.out.println(count);

  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int h = sc.nextInt(); h sc.nextInt() sc.nextInt sc int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int count = 0; count 0 while (h > 0) {
      h -= a;
      count++;
    } h > 0 h 0 {
      h -= a;
      count++;
    } h -= a h a count++ count System.out.println(count) System.out.println System.out System System.out count String[] args args public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int a = sc.nextInt();

    int count = 0;

    while (h > 0) {
      h -= a;
      count++;
    }

    System.out.println(count);

  }

} public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int a = sc.nextInt();

    int count = 0;

    while (h > 0) {
      h -= a;
      count++;
    }

    System.out.println(count);

  }

} Main
import java.util.*;
import java.math.*;
import java.util.Arrays;

public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int a = sc.nextInt();

    int count = 0;

    while (h > 0) {
      h -= a;
      count++;
    }

    System.out.println(count);

  }

}
