#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using ld = long double;

int x, y;

int main() {
  cin >> x >> y;
  double rr = 2.0 * sqrt(x * x + y * y) + 1e-10;
  int ans = ceil(rr);
  if ((double)ans - rr < 1e-10) ans++;
  cout << ans << endl;
  return 0;
}