#include <stdio.h>

int main(void) {
  int a=0;
  int b=0;
  int count=0;
  scanf("%d%d",&a,&b);
  if(a%b==0){
    count=a/b;
  }
  else{
    count=a/b+1;
  }
  printf("%d",count);
    return 0;
}