#include <iostream>
using namespace std;

int main() {
  int x, y;
  cin >> x >> y;
  int r;
  int sqrt = x * x + y * y; 
  for (int i = 0; i < 150000; ++i) {
    int tmp = i * i;
    if (tmp == sqrt) r = i;
  }
  cout << r * 2 + 1 << endl;
}