#include<bits/stdc++.h>
using namespace std;
using Int = long long;
//INSERT ABOVE HERE
signed main(){
  Int x,y;
  cin>>x>>y;
  for(Int r=1;;r++){
    if(r*r<=(x*x+y*y)*4) continue;
    cout<<r<<endl;
    break;
  }
  return 0;
}