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

int isqrt(int N) {
	int cand = floor(sqrt(N));
	return ((cand + 1) * (cand + 1) < N ? cand + 1 : cand);
}

int main(void) {
	int X, Y;
	cin >> X >> Y;
	
	cout << isqrt((X * X + Y * Y) * 4) + 1 << "\n";
	
	return 0;
}