import 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 ans = 0;
    if (h % a == 0) {
    	ans = h/a;
    } else {
    	ans = h/a + 1;
    }
    System.out.println(ans);
  }
}
 import java.util.*; util.* java public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int a = sc.nextInt();
    int ans = 0;
    if (h % a == 0) {
    	ans = h/a;
    } else {
    	ans = h/a + 1;
    }
    System.out.println(ans);
  }
} Main public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int a = sc.nextInt();
    int ans = 0;
    if (h % a == 0) {
    	ans = h/a;
    } else {
    	ans = h/a + 1;
    }
    System.out.println(ans);
  } main {
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int a = sc.nextInt();
    int ans = 0;
    if (h % a == 0) {
    	ans = h/a;
    } else {
    	ans = h/a + 1;
    }
    System.out.println(ans);
  } 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 ans = 0; ans 0 if (h % a == 0) {
    	ans = h/a;
    } else {
    	ans = h/a + 1;
    } h % a == 0 h % a h a 0 {
    	ans = h/a;
    } ans = h/a ans h/a h a {
    	ans = h/a + 1;
    } ans = h/a + 1 ans h/a + 1 h/a h a 1 System.out.println(ans) System.out.println System.out System System.out ans 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 ans = 0;
    if (h % a == 0) {
    	ans = h/a;
    } else {
    	ans = h/a + 1;
    }
    System.out.println(ans);
  }
} public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int a = sc.nextInt();
    int ans = 0;
    if (h % a == 0) {
    	ans = h/a;
    } else {
    	ans = h/a + 1;
    }
    System.out.println(ans);
  }
} Main
import 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 ans = 0;
    if (h % a == 0) {
    	ans = h/a;
    } else {
    	ans = h/a + 1;
    }
    System.out.println(ans);
  }
}

