package main

import (
	"fmt"
	"math"
)

func resolve(Xp, Yp int) int {
	r := math.Sqrt(float64(Xp*Xp + Yp*Yp))
	R := 2 * r
	ret := math.Ceil(R)
	if ret == R {
		ret += 1
	}

	return int(ret)
}

func main() {
	var Xp, Yp int

	fmt.Scanf("%d %d\n", &Xp, &Yp)

	fmt.Println(resolve(Xp, Yp))
}