#include <cmath>
#include <iostream>

using namespace std;

int main(int argc, const char* argv[])
{
	int X, Y;
	cin >> X >> Y;
	int diameter = ceil(sqrt(X * X + Y * Y) * 2);
	int r		 = diameter / 2;
	cout << diameter + (r * r == X * X + Y * Y) << endl;
	return 0;
}