#include<stdio.h>
int main(){
	int m,n;
	int count;
	scanf("%d %d",&m,&n);
	if(m%n==0){
		count=m/n;
	}else{
		count=m/n+1;
	}
	printf("%d",count);
	return 0;
}
/**************************************************************
	Problem: 1030
	User: admin
	Language: C
	Result: Accepted
	Time:11 ms
	Memory:1144 kb
****************************************************************/