import java.util.Scanner;
 
public class Main {
	public static void main (String[] args) {
                Scanner scan = new Scanner(System.in);
		
		int a= scan.nextInt();
		int b= scan.nextInt();
		
		System.out.println((a+b-1) / 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