import java.util.Scanner;

public class pre {
    public static void main(String[] args) {

        Scanner s = new Scanner(System.in);
		double n = s.nextDouble(),m = s.nextDouble();
		
		double r = Math.sqrt(Math.pow(n,2) + Math.pow(m,2));
		
		System.out.println((int)Math.floor(2 * r) + 1);
    }
}