#include <iostream>
#include <stdexcept>


using namespace std;

int main()
{
   string name;

   if(name.size() != 0)
       cout << "Hello " << name.at(0) << endl;
   else
       cout << "Uh Oh, You didn’t initialize me!" << endl;


   try {
       cout << "Hello " << name.at(0) << endl;
   }
   catch(out_of_range &e) {
       cout << "Uh Oh, You didn’t initialize me!" << endl;
   }
}