import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 体力の入力
		int tairyoku = sc.nextInt();
		// 攻撃の入力
		int kougeki = sc.nextInt();
		
		int kaisu = tairyoku/kougeki;
		int tmp = tairyoku%kougeki;
		if(tmp != 0) {
			kaisu = kaisu +1;
		}
		
		System.out.println(kaisu);
		
	}
}
/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