import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
	public static void main(String args[]) throws IOException {
	// 2020/2/2 No.153
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

	String str[] = br.readLine().split(" ");
	int n = Integer.parseInt(str[0]);
	int m = Integer.parseInt(str[1]);

	br.close();
	int cnt;

	if(n % m == 0) {
		cnt = n / m;
	} else {
		cnt = (int) (Math.floor(n / m) + 1);
	}

	System.out.println(cnt);
	}
}
/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