//Normal

#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

void print(auto a){
  cout << a;
}

void prints(auto a){
  cout << a << " ";
}

void prints(){
  cout << " ";
}

void printl(auto a){
  cout << a << endl;
}

void printl(){
  cout << endl;
}

void fix(int n){
  cout << fixed << setprecision(n);
}

int main(){
  ll X, Y; cin >> X >> Y;
  
  for(int i = 1; i <= 1e8; i++){
    double sum = sqrt(X*X + Y*Y)*2;
    
    if(sum < i){
      printl(i);
      
      return 0;
    }
  }
}