#include <iostream>
#include <vector>

using namespace std;

int main()
{ int a = 101, b = 202, c = 303;
  vector<int> d(4);
  d.at(0) = 1111;
  d.at(1) = 2222;
  d.at(2) = 3333;
  d.at(3) = 4444;
  int e = 404, f = 505, g = 606;

  for (int i = 0; i < d.size(); i += 1)
    cout << d.at(i) << "\n";

  d.at(f/101) = 99;

  cout << "a = " << a << "\n";
  cout << "b = " << b << "\n";
  cout << "c = " << c << "\n";
  cout << "e = " << e << "\n";
  cout << "f = " << f << "\n";
  cout << "g = " << g << "\n";
}