import java.util.Scanner;
class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt();
    int A = sc.nextInt();
    int count = 0;
    
    while (H > 0) {
      count = count + 1 ;
      H -= A;
    }
    System.out.print(count);
  }
} import java.util.Scanner; Scanner java.util class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt();
    int A = sc.nextInt();
    int count = 0;
    
    while (H > 0) {
      count = count + 1 ;
      H -= A;
    }
    System.out.print(count);
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt();
    int A = sc.nextInt();
    int count = 0;
    
    while (H > 0) {
      count = count + 1 ;
      H -= A;
    }
    System.out.print(count);
  } main {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt();
    int A = sc.nextInt();
    int count = 0;
    
    while (H > 0) {
      count = count + 1 ;
      H -= A;
    }
    System.out.print(count);
  } 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 int count = 0; count 0 while (H > 0) {
      count = count + 1 ;
      H -= A;
    } H > 0 H 0 {
      count = count + 1 ;
      H -= A;
    } count = count + 1 count count + 1 count 1 H -= A H A System.out.print(count) System.out.print System.out System System.out count String[] args args
import java.util.Scanner;
class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt();
    int A = sc.nextInt();
    int count = 0;
    
    while (H > 0) {
      count = count + 1 ;
      H -= A;
    }
    System.out.print(count);
  }
}