import java.util.Scanner;

public class Main {
  public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);
    int h[] = new int[2];
    for (int j = 0; j < 2; j++) {
      h[j] = scan.nextInt();
    }
    int c =1;
    for (int i = 1; h[1] < h[0]; i++) {
      h[0] -= h[1];
      c++;
    }
    System.out.println(c);
  }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz