#include<iostream>
#include<string>
#include<algorithm>
#include<cctype>
#include<set>
#include<bitset>
#include<math.h>
#include<map>
#include<queue>
#include<iomanip>
using namespace std;

int main(){
    int x, y;
    cin >> x >> y;
    double r = pow((x*x + y*y), 0.5);
    cout << fixed << setprecision(6) << int(r*2) + 1 << endl;
}