#include <iostream>
#include <string>
#include <vector>
#include <set>
#include <cmath>
#include <algorithm>
using namespace std;

int main(void)
{
    double Xp, Yp;
    cin >> Xp >> Yp;

    double dist = sqrt(Xp * Xp + Yp * Yp);

    cout << ((int)(dist * 2) + 1) << endl;

    return 0;
}