#include "bits/stdc++.h"
using namespace std;

#define REP(i, n) for(int i=0; i<(n); i++)

int X,Y;
signed main()
{
    cin >> X>>Y;
    int l = (int)(2 * sqrt(pow(X,2) + pow(Y, 2)) + 1);
    cout << l << endl;
    return 0;
}