import java.util.Scanner;

class Main {
	public static void main(String[] args) throws Exception {
		Scanner in = new Scanner(System.in);
		double x_p = in.nextDouble();
		double y_p = in.nextDouble();

		int ans = 0;
		x_p = Math.abs(x_p);
		y_p = Math.abs(y_p);
		double r = Math.sqrt(Math.pow(x_p,2) + Math.pow(y_p,2));
		ans = (int)(r*2) + 1;
		System.out.println(ans);
	}
}