package yukicoder;

import java.util.Scanner;

public class N98 {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int x = sc.nextInt();
		int y = sc.nextInt();
		double r = Math.abs(Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2)));
		if(r % 1 == 0){
			System.out.println((int) Math.round(r) * 2 + 1);
		}else{
			System.out.println((int) Math.floor(r * 2) + 1);
		}
	}
}