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


int main()
{
	int x,y;
	cin>>x>>y;

	double p = sqrt(pow(x,2) + pow(y,2));
	if (p== ceil(p))
	{
		cout<<ceil(p)*2+1<<endl;
	}else{
		cout<<ceil(p)*2<<endl;
	}
	return 0;
}