#define _USE_MATH_DEFINES
#include<cstdio>
#include <iostream>
#include<algorithm>
#include<string>
#include<queue>
#include<vector>
#include<functional>
#include<cmath>
#include<map>
#include<stack>
#include<set>
#include<numeric>

using namespace std;
typedef long long ll;
typedef pair<int, int> Pr;

double xp, yp;

int main()
{
	cin >> xp >> yp;
	double r = sqrt(xp*xp + yp*yp);
	int ans = r * 2 +1;
	cout << ans << endl;
}