#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cmath>
#include <string>
#include <vector>
#include <algorithm>
#include <queue>
#include <map>
#include <functional>
#include <set>
#include <numeric>
#include <stack>
#include <utility>
//#include "util.h"

using namespace std;
typedef long long lint;
typedef pair<lint, lint> Pii;

#define PI 3.14159265358979323846
#define EPS 1e-6

int main()
{
	double X, Y, r;
	cin >> X >> Y;
	r = sqrt(X * X + Y * Y);
	cout << (int)floor(2 * r + EPS) + 1 << endl;
	return 0;
}