#include <stdio.h>

int main(void) {

  int a,b;

  scanf("%d", &a);//S
  scanf("%d", &b);//F

  int c;
  c = a / b;

  /*if (a%b!=0) {
    c += 1;
  }*/

  printf("%d\n", c+1);

  return 0;
}