import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        
        System.out.println((int)Math.ceil((double)h/a));
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        
        System.out.println((int)Math.ceil((double)h/a));
    }
} Main public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        
        System.out.println((int)Math.ceil((double)h/a));
    } main {
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        
        System.out.println((int)Math.ceil((double)h/a));
    } 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 System.out.println((int)Math.ceil((double)h/a)) System.out.println System.out System System.out (int)Math.ceil((double)h/a) Math.ceil Math (double)h/a (double)h a String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        
        System.out.println((int)Math.ceil((double)h/a));
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        
        System.out.println((int)Math.ceil((double)h/a));
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int a = sc.nextInt();
        
        System.out.println((int)Math.ceil((double)h/a));
    }
}