package main

import (
	"fmt"
	"math"
)

func main() {
	var x, y int
	fmt.Scan(&x, &y)
	z := math.Sqrt(float64(x*x+y*y))
	if z == 0{
		fmt.Println("1")
	} else if z == float64(int64(z)){
		fmt.Println(math.Ceil(z)*2+1)
	}else{
		fmt.Println(math.Ceil(z)*2)
	}
}