import java.util.Scanner;

class Question098
{
	public static void main(String[] args)
	{
	
		Scanner scan = new Scanner(System.in);
		
		int x = scan.nextInt();
		int y = scan.nextInt();
		double r = Math.floor(Math.sqrt(Math.pow(x,2)+Math.pow(y,2)));
		
		System.out.println((int)(2*r+1));
	}
}