#include <bits/stdc++.h>
using namespace std;

#define int long long
template<typename T>
void fin(T a){
  cout<<a<<endl;
  exit(0);
}

signed main(){
  int x,y;cin>>x>>y;
  int A=x*x+y*y;A*=4;
  for(int i=1;;i++)if(i*i>A)fin(i);
}