import java.util.Scanner;

public class No98 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double x = sc.nextDouble();
        double y = sc.nextDouble();

        double hypo = Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2));

        double diameter = hypo * 2;

        if (diameter - Math.floor(diameter) == 0) {
            diameter += 1;
        }

        System.out.println((int) Math.ceil(diameter));

        sc.close();
    }

}