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