#include <iostream>
#include <cstdio>
#include <cmath>
using namespace std;
# define M_PI 3.14159265358979323846

int main() {
	int xp, yp;
    scanf("%d %d", &xp, &yp);
	
	printf("%d", (int)(sqrt(xp * xp + yp * yp) * 2) + 1);
	
	return 0;
}