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();
		int R = (int)(Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2)) * 2) + 1;
		
		System.out.println(R);
	}
}