View Compilation Error

0_0_33515906_14545.cpp: In function 'int main()':
0_0_33515906_14545.cpp:8:2: error: 'cin' was not declared in this scope
  cin >> n;
  ^
0_0_33515906_14545.cpp:17:3: error: 'cout' was not declared in this scope
   cout << "Property " << i << ": This property will begin eroding in year " << year << "." << endl;
   ^
0_0_33515906_14545.cpp:17:95: error: 'endl' was not declared in this scope
   cout << "Property " << i << ": This property will begin eroding in year " << year << "." << endl;
                                                                                               ^
0_0_33515906_14545.cpp:19:2: error: 'cout' was not declared in this scope
  cout << "END OF OUTPUT." << endl;
  ^
0_0_33515906_14545.cpp:19:30: error: 'endl' was not declared in this scope
  cout << "END OF OUTPUT." << endl;
                              ^