import 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 ans = H / A;
    if((H % A) != 0) {
      ans = ans + 1;
    }

    System.out.println(ans);
  }
} import java.util.*; util.* java class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt();
    int A = sc.nextInt();
    int ans = H / A;
    if((H % A) != 0) {
      ans = ans + 1;
    }

    System.out.println(ans);
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt();
    int A = sc.nextInt();
    int ans = H / A;
    if((H % A) != 0) {
      ans = ans + 1;
    }

    System.out.println(ans);
  } main {
    Scanner sc = new Scanner(System.in);
    int H = sc.nextInt();
    int A = sc.nextInt();
    int ans = H / A;
    if((H % A) != 0) {
      ans = ans + 1;
    }

    System.out.println(ans);
  } 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 ans = H / A; ans H / A H A if((H % A) != 0) {
      ans = ans + 1;
    } (H % A) != 0 (H % A) H A 0 {
      ans = ans + 1;
    } ans = ans + 1 ans ans + 1 ans 1 System.out.println(ans) System.out.println System.out System System.out ans String[] args args
import 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 ans = H / A;
    if((H % A) != 0) {
      ans = ans + 1;
    }

    System.out.println(ans);
  }
}