include <fstream>
  include <iostream>
  include <vector>
  include <string>
  include <exception>
  
  using namespace std;
  
  void readIntegerFile(const string& fileName, vector<int>& dest)
  {
    ifstream istr;
    int temp;
  
    istr.open(fileName.c_str());
    if (istr.fail()) {
      // We failed to open the file: throw an exception
      throw 5;
    }
  
    // Read the integers one-by-one and add them to the vector
    while (istr >> temp) {
      dest.push_back(temp);
    }
  }
  
  int main(int argc, char** argv)
  {
    vector<int> myInts;
    const string fileName = "IntegerFile.txt";
  
    try {
      readIntegerFile(fileName, myInts);
    } catch (int e) {
      cerr << "Unable to open file " << fileName << endl;
      exit (1);
    }
  
    for (size_t i = 0; i < myInts.size(); i++) {
      cout << myInts[i] << " ";
    }
    cout << endl;
  
    return (0);
  }