import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);
        int h=scan.nextInt();
        int a=scan.nextInt();
        int c=0;
        for(;h>0;){
            h-=a;
            c++;
        }
        System.out.println(c);


    }

} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);
        int h=scan.nextInt();
        int a=scan.nextInt();
        int c=0;
        for(;h>0;){
            h-=a;
            c++;
        }
        System.out.println(c);


    }

} Main public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);
        int h=scan.nextInt();
        int a=scan.nextInt();
        int c=0;
        for(;h>0;){
            h-=a;
            c++;
        }
        System.out.println(c);


    } main {

        Scanner scan = new Scanner(System.in);
        int h=scan.nextInt();
        int a=scan.nextInt();
        int c=0;
        for(;h>0;){
            h-=a;
            c++;
        }
        System.out.println(c);


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

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);
        int h=scan.nextInt();
        int a=scan.nextInt();
        int c=0;
        for(;h>0;){
            h-=a;
            c++;
        }
        System.out.println(c);


    }

} public class Main {

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);
        int h=scan.nextInt();
        int a=scan.nextInt();
        int c=0;
        for(;h>0;){
            h-=a;
            c++;
        }
        System.out.println(c);


    }

} Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);
        int h=scan.nextInt();
        int a=scan.nextInt();
        int c=0;
        for(;h>0;){
            h-=a;
            c++;
        }
        System.out.println(c);


    }

}