import java.util.*;
class Main
{
	public static void main(String args[])
	{
		Scanner sc=new Scanner(System.in);
		int h=sc.nextInt();
		int a=sc.nextInt();
		int sum=0;
		for(int i=1; i<=h; i++){
			sum=h-a*i;
			if(sum<=0){
				System.out.println(i);
				break;
			}
		}
	}
}
/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