#include <vector>
#include <string>
#include <algorithm>
#include <numeric>
#include <iostream>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <utility>
#include <list>
#include <queue>
#include <map>
#include <iterator>
#include <iomanip>
#include <complex>
using namespace std;

using ull = unsigned long long;
using ll = long long;


int main()
{
    int x,y;
    cin >> x >> y;

    if(2*ceil(sqrt(x*x+y*y)) == 2*sqrt(x*x+y*y))
        cout << 2*ceil(sqrt(x*x+y*y)) +1<< endl;
    else
        cout << 2*ceil(sqrt(x*x+y*y)) << endl;
}