#include<iostream>
#include<math.h>
using namespace std;

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