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();
      
      int a =H/A;
      int b =a+1;
      
      if(H%A==0){
      System.out.println(a);
      }
      else if(H%A!=0){
      System.out.println(b);
      }   
    }
}
/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