#include <bits/stdc++.h>
using namespace std;
int main()
{
    int x, y;
    float ans;
    cin >> x >> y;
    ans = sqrt((x*x) + (y*y));
    if (ceil(ans) != ans) {
        cout << ceil(ans)*2 << endl;
    } else cout << ceil(ans)*2+1 << endl;
    return 0;
}