import java.util.Scanner;
 
public class Main {
 
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int i;
      
      for(i = 0; a > 0; i++)
        a-=b;

      System.out.println(i);

    }
} import java.util.Scanner; Scanner java.util public class Main {
 
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int i;
      
      for(i = 0; a > 0; i++)
        a-=b;

      System.out.println(i);

    }
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int i;
      
      for(i = 0; a > 0; i++)
        a-=b;

      System.out.println(i);

    } main {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int i;
      
      for(i = 0; a > 0; i++)
        a-=b;

      System.out.println(i);

    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int i; i for(i = 0; a > 0; i++)
        a-=b; i = 0; i = 0 i 0 a > 0 a 0 i++ i++ i a-=b; a-=b a b System.out.println(i) System.out.println System.out System System.out i String[] args args public class Main {
 
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int i;
      
      for(i = 0; a > 0; i++)
        a-=b;

      System.out.println(i);

    }
} public class Main {
 
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int i;
      
      for(i = 0; a > 0; i++)
        a-=b;

      System.out.println(i);

    }
} Main
import java.util.Scanner;
 
public class Main {
 
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int i;
      
      for(i = 0; a > 0; i++)
        a-=b;

      System.out.println(i);

    }
}