#include <bits/stdc++.h>
using namespace std;

int main()
{
double i;
int X;
int Y;
int Sq;

	cin >> X;
	cin >> Y;

	Sq = X * X + Y * Y;
	i = (int) ( 2 * sqrt( (double) Sq ) );
	if( i * i / 4 <= Sq ) i++;
	if( i * i / 4 <= Sq ) i++;

	cout << (int) i << endl;

	return 0;
}