#include <bits/stdc++.h>

#define rep(i, n) for (int (i) = 0; (i) < (int)(n); (i)++)

const int dx[] = {1, 0, -1, 0};
const int dy[] = {0, 1, 0, -1};
using namespace std;
typedef long long ll;

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int x, y;
    cin >> x >> y;
    const int square = 4*(x*x+y*y);
    int r = 1;
    for (; ; r++) {
        if (r*r > square) {
            cout << r << endl;
            return 0;
        }
    }
    return 0;
}