import java.util.*;
public class Circle{
	public static void main(String[] arg){
		Scanner sc = new Scanner(System.in);
		double x,y,r;
		int res;
		x = Math.abs(sc.nextDouble());
		y = Math.abs(sc.nextDouble());
		r = Math.sqrt(Math.pow(x,2) + Math.pow(y,2));
		res = (int)(r*2) + 1;
		System.out.println(res);
	}
}