#include<bits/stdc++.h>

using namespace std;
using ll = long long;

bool is_integer(double x){
    return floor(x) == x;
}

int main(){
    double xp,yp;
    
    cin >> xp >> yp;
    
    double ans = 0;
    
    double dist = sqrt(xp*xp + yp*yp);
    
    dist = 2*dist + 1;
    dist = floor(dist);
    
    ans = dist;
    cout << ans << endl;
}