import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        int h,a,k;
        k=0;
        Scanner sc=new Scanner(System.in);
        h=sc.nextInt();
        a=sc.nextInt();
        for(int i=1;h>0;i++){
            h=h-a;
            k=i;
        }
        System.out.println(k);
    }
} import java.util.*; util.* java import java.lang.*; lang.* java import java.io.*; io.* java class Main {
    public static void main(String[] args) {
        int h,a,k;
        k=0;
        Scanner sc=new Scanner(System.in);
        h=sc.nextInt();
        a=sc.nextInt();
        for(int i=1;h>0;i++){
            h=h-a;
            k=i;
        }
        System.out.println(k);
    }
} Main public static void main(String[] args) {
        int h,a,k;
        k=0;
        Scanner sc=new Scanner(System.in);
        h=sc.nextInt();
        a=sc.nextInt();
        for(int i=1;h>0;i++){
            h=h-a;
            k=i;
        }
        System.out.println(k);
    } main {
        int h,a,k;
        k=0;
        Scanner sc=new Scanner(System.in);
        h=sc.nextInt();
        a=sc.nextInt();
        for(int i=1;h>0;i++){
            h=h-a;
            k=i;
        }
        System.out.println(k);
    } int h h a a k; k k=0 k 0 Scanner sc=new Scanner(System.in); sc new Scanner(System.in) h=sc.nextInt() h sc.nextInt() sc.nextInt sc a=sc.nextInt() a sc.nextInt() sc.nextInt sc for(int i=1;h>0;i++){
            h=h-a;
            k=i;
        } int i=1; int i=1; i 1 h>0 h 0 i++ i++ i {
            h=h-a;
            k=i;
        } {
            h=h-a;
            k=i;
        } h=h-a h h-a h a k=i k i System.out.println(k) System.out.println System.out System System.out k String[] args args
import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        int h,a,k;
        k=0;
        Scanner sc=new Scanner(System.in);
        h=sc.nextInt();
        a=sc.nextInt();
        for(int i=1;h>0;i++){
            h=h-a;
            k=i;
        }
        System.out.println(k);
    }
}