text: #include <utility>
  #include <iostream>
  #include <iomanip>
  using namespace std;
  
  constexpr pair<int, int> TYPICAL_WATER_BILL{25, 75};
  
  auto main() -> int {
  	double avg{};
  
  	for (char q = '1'; q <= '4'; q++) {
  		cout << "Please input your water bill for quarter " << q << ":\n";
  		double temp;
  		cin >> temp;
  		avg += {temp / 12};
  	}
  
  	cout << fixed << setprecision(2);
  	cout << "You average monthly bill is " << avg << ". ";
  	if (avg < get<0>(TYPICAL_WATER_BILL)) {
  		cout << "Good job! You are using a small";
  	} else if (avg > get<1>(TYPICAL_WATER_BILL)) {
  		cout << "You are using an excessive";
  	} else {
  		cout << "You are using a typical";
  	} finally: {
  		cout << " amount of water.\n";
  	}
  }
  