#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <stack>
#include <algorithm>
#include <string>
#include <map>
#include <iterator>
#include <set>
#include <queue>
#include <bitset>
#include <cassert>

using namespace std;

int main() {
        
    int X,Y;
    cin>>X>>Y;
    cout << (int)(sqrt(X*X+Y*Y))*2+1 << endl;


}