#include <bits/stdc++.h> 

using namespace std;
typedef long long ll;

int main() {
    int Xp, Yp;
    cin >> Xp >> Yp;
    if (Xp < 0) Xp *= -1;
    if (Yp < 0) Yp *= -1;

    double r = sqrt(Xp * Xp + Yp * Yp);
    double X = ceil(r) == floor(r) ? 2 * ceil(r) + 1 : 2 * ceil(r);
    cout << X << endl;
}