#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); i++)
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<ll> vll;
typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef vector<vector<ll>> vvll;
const ll inf = 1e16;
const ll md = 1000000007;

int main() {
  int x,y;
  cin>>x>>y;
  int r=x*x+y*y;
  for(int d=1;;d++){
    if(d*d>4*r){
      cout<<d<<endl;
      return 0;
    }
  }
  return 0;
}