import java.util.Scanner;

public class Main
{
	public static int main0(String[] args) {
		int servalDPS, monsterHealth;
		Scanner sc = new Scanner(System.in);
		monsterHealth = sc.nextInt();
		servalDPS = sc.nextInt();
		int remains = monsterHealth % servalDPS;
		if (remains == 0) return monsterHealth / servalDPS;
		else return monsterHealth / servalDPS + 1;
	}

	public static void main(String[] args) {
		int res = main0(args);
		System.out.print(res);
	}
}
/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