#include<bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(n);i++)
#define INF 100000000
using namespace std;


int main(){
    int X,Y;
    cin>>X>>Y;
    vector<int> ls2 = {};
    for (int i=0;i<40001;i++){
        ls2.push_back(pow(i,2));
    }
    int D = (pow(X,2)+pow(Y,2))*4;
    for (int i=0;i<40000;i++){
        if ((ls2[i] <= D) & (D < ls2[i+1])){
            cout<<i+1<<endl;
            exit;
        }
    }
}