import java.util.*;
import java.io.*;
public class Main
{
	
public static void main(String[]args) throws IOException{
	Scanner sc =new Scanner(System.in);
	int A = sc.nextInt();
	int B = sc.nextInt();
	int sum = A;
	int count = 0;
	while(true) {
		count++;
		sum = sum -B;
		if(sum <=0) {
			break;
		}
	}
	System.out.println(count);
}
}
/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