import java.util.*;
import java.math.*;
import java.io.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int xp = sc.nextInt();
		int yp = sc.nextInt();
		int d = xp * xp + yp * yp;
		System.out.println((int)(Math.sqrt(d)*2)+1);
	}
}