#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef pair<int,int> P;
 
const int INF = 1e9;
const int mod = 1e9+7;
const double EPS = 1e-10;
const double PI = acos(-1.0);

int main()
{
    int x,y;
    cin >> x >> y;
    cout << int(sqrt(x*x+y*y)*2)+1 << endl;
    return 0;
}