import java.util.Scanner;
import static java.lang.Math.ceil;
class Main{
	public static void main(String[] args){
		Scanner input = new Scanner(System.in);
		int a = input.nextInt();
		int b = input.nextInt();
		System.out.println((int)ceil((1.0*a)/(1.0*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