import java.util.*;
public class Main { 
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int a = Integer.parseInt(sc.next());
      	int cnt = 0;
      	if(h % a != 0)
          cnt++;
        cnt += h / a;
        System.out.println(cnt);
    }
} import java.util.*; util.* java public class Main { 
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int a = Integer.parseInt(sc.next());
      	int cnt = 0;
      	if(h % a != 0)
          cnt++;
        cnt += h / a;
        System.out.println(cnt);
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int a = Integer.parseInt(sc.next());
      	int cnt = 0;
      	if(h % a != 0)
          cnt++;
        cnt += h / a;
        System.out.println(cnt);
    } main {
        Scanner sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int a = Integer.parseInt(sc.next());
      	int cnt = 0;
      	if(h % a != 0)
          cnt++;
        cnt += h / a;
        System.out.println(cnt);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int h = Integer.parseInt(sc.next()); h Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int a = Integer.parseInt(sc.next()); a Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int cnt = 0; cnt 0 if(h % a != 0)
          cnt++; h % a != 0 h % a h a 0 cnt++ cnt cnt += h / a cnt h / a h a System.out.println(cnt) System.out.println System.out System System.out cnt String[] args args public class Main { 
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int a = Integer.parseInt(sc.next());
      	int cnt = 0;
      	if(h % a != 0)
          cnt++;
        cnt += h / a;
        System.out.println(cnt);
    }
} public class Main { 
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int a = Integer.parseInt(sc.next());
      	int cnt = 0;
      	if(h % a != 0)
          cnt++;
        cnt += h / a;
        System.out.println(cnt);
    }
} Main
import java.util.*;
public class Main { 
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
		int h = Integer.parseInt(sc.next());
        int a = Integer.parseInt(sc.next());
      	int cnt = 0;
      	if(h % a != 0)
          cnt++;
        cnt += h / a;
        System.out.println(cnt);
    }
}