#include <iostream>
#include <cmath>
int main() {
	int x, y;
	std::cin >> x >> y;
	int r = std::ceil(std::sqrt(x * x + y * y) * 2);
	if (r * r == (x * x + y * y) * 4) ++r;
	std::cout << r << std::endl;
	return 0;
}