#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main(){
	int s,f;
	scanf("%d%d",&s,&f);
	/*if(b%a>0){
		printf("%d\n",b/a+1);
	}else{
		printf("%d\n",b/a);
	}*/
		printf("%d\n",s/f+1);
return 0;
}