#include <algorithm>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <string>
#include <vector>
using namespace std;
typedef pair<int, int> pii;
typedef vector<int> vi;
#define rep(i,x) for(int i=0;i<(int)(x);++i)

int main(){
	int xp, yp, ret;
	double s, t;
	cin >> xp >> yp;
	s = sqrt(xp*xp + yp*yp)*2;
	t = ceil(s);
	cout << (s==t ? t+1 : t) << endl;
	return 0;
}