#include <stdio.h>
void main(void){
	int s = 0 , f = 0;
	int inputS = scanf("%d",&s);
	if(inputS == 2){
		printf("Sの入力エラー\n");
	}
	int inputF = scanf("%d\n",&f);
	if(inputF == 2){
		printf("Fの入力エラー\n");
	}
	int ans = 1 + s/f;
	//printf("%d/%d = %d\n",f,s,s/f);

    printf("%d",ans);

}