package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

func main() {
	sc := bufio.NewScanner(os.Stdin)
	sc.Split(bufio.ScanWords)

	sc.Scan()
	aStr := sc.Text()
	sc.Scan()
	bStr := sc.Text()
	s, _ := strconv.Atoi(aStr)
	f, _ := strconv.Atoi(bStr)

	x := (s + f) / f
	fmt.Println(x)
}