#include <bits/stdc++.h>
#define PI 3.14159265359
#define NIL -1
using namespace std;
const int64_t MOD = 1e9 + 7;

int main() {
	int X, Y;
	cin >> X >> Y;

	double n = sqrt(X * X + Y * Y);
	//cout << n << endl;
	n *= 2.0;
	int ans = (int)n;
	ans++;

	cout << ans << endl;
}