#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <cmath>
#include <iomanip>
using namespace std;
typedef long long LL;

int main(){
    int x, y;
    cin >> x >> y;
    int r = (int)(sqrt(x*x + y*y));
    while(r*r <= (x*x + y*y)*4) r++;
    cout << r << endl;
    return 0;
}