#include <algorithm>
#include <array>
#include <cmath>
#include <cstdio>
#include <iostream>
#include <numeric>
#include <optional>
#include <vector>

using namespace std;

int main() {
    int32_t x, y;
    cin >> x >> y;
    int32_t rr = x * x + y * y, r = 0;
    for (; r * r <= rr; ++r)
        ;
    int32_t ans = (r - 0.5) * (r - 0.5) > rr ? 2 * r - 1 : 2 * r;
    cout << ans << endl;
    return 0;
}