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();
      System.out.printf("%d", ((H - 1) / A + 1));
      sc.close();
      
    }
} 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();
      System.out.printf("%d", ((H - 1) / A + 1));
      sc.close();
      
    }
} Main public static void main(String args[]) {
      Scanner sc = new Scanner(System.in);
      
      int H = sc.nextInt();
      int A = sc.nextInt();
      System.out.printf("%d", ((H - 1) / A + 1));
      sc.close();
      
    } main {
      Scanner sc = new Scanner(System.in);
      
      int H = sc.nextInt();
      int A = sc.nextInt();
      System.out.printf("%d", ((H - 1) / A + 1));
      sc.close();
      
    } 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.printf("%d", ((H - 1) / A + 1)) System.out.printf System.out System System.out "%d" ((H - 1) / A + 1) (H - 1) / A (H - 1) H 1 A 1 sc.close() sc.close sc 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();
      System.out.printf("%d", ((H - 1) / A + 1));
      sc.close();
      
    }
} public class Main {
	public static void main(String args[]) {
      Scanner sc = new Scanner(System.in);
      
      int H = sc.nextInt();
      int A = sc.nextInt();
      System.out.printf("%d", ((H - 1) / A + 1));
      sc.close();
      
    }
} 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();
      System.out.printf("%d", ((H - 1) / A + 1));
      sc.close();
      
    }
}