import java.util.Scanner;

class Main{
    public static void main(String args[]){
        Scanner str = new Scanner(System.in);
        int H = str.nextInt();
        int A = str.nextInt();

        if(H % A == 0){
            System.out.println(H / A);
        }
        else{
            System.out.println(H / A + 1);
        }

        str.close();
    }
} import java.util.Scanner; Scanner java.util class Main{
    public static void main(String args[]){
        Scanner str = new Scanner(System.in);
        int H = str.nextInt();
        int A = str.nextInt();

        if(H % A == 0){
            System.out.println(H / A);
        }
        else{
            System.out.println(H / A + 1);
        }

        str.close();
    }
} Main public static void main(String args[]){
        Scanner str = new Scanner(System.in);
        int H = str.nextInt();
        int A = str.nextInt();

        if(H % A == 0){
            System.out.println(H / A);
        }
        else{
            System.out.println(H / A + 1);
        }

        str.close();
    } main {
        Scanner str = new Scanner(System.in);
        int H = str.nextInt();
        int A = str.nextInt();

        if(H % A == 0){
            System.out.println(H / A);
        }
        else{
            System.out.println(H / A + 1);
        }

        str.close();
    } Scanner str = new Scanner(System.in); str new Scanner(System.in) int H = str.nextInt(); H str.nextInt() str.nextInt str int A = str.nextInt(); A str.nextInt() str.nextInt str if(H % A == 0){
            System.out.println(H / A);
        }
        else{
            System.out.println(H / A + 1);
        } H % A == 0 H % A H A 0 {
            System.out.println(H / A);
        } System.out.println(H / A) System.out.println System.out System System.out H / A H A {
            System.out.println(H / A + 1);
        } System.out.println(H / A + 1) System.out.println System.out System System.out H / A + 1 H / A H A 1 str.close() str.close str String args[] args
import java.util.Scanner;

class Main{
    public static void main(String args[]){
        Scanner str = new Scanner(System.in);
        int H = str.nextInt();
        int A = str.nextInt();

        if(H % A == 0){
            System.out.println(H / A);
        }
        else{
            System.out.println(H / A + 1);
        }

        str.close();
    }
}