#include<stdio.h>

void main(){
	int a,b;
	int x;
	scanf("%d%d",&a,&b);
	
	if(a%b==0){
		x=a/b;
	}else{
		x=a/b+1;
	}
	printf("%d",x);
}
/**************************************************************
	Problem: 1648
	User: admin
	Language: C
	Result: Accepted
	Time:13 ms
	Memory:1144 kb
****************************************************************/