import java.util.Scanner;
public class Bills {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int monthNo = scanner.nextInt();
int costWater = 20, costInternet = 15;
double totalCostElectricity = 0;
for (int i = 1; i <= monthNo; i++) {
double costsElectricity = scanner.nextDouble();
totalCostElectricity += costsElectricity;
}
double totalCostWater = costWater * monthNo;
double totalCostInternet = costInternet * monthNo;
double totalCostOthers = (totalCostElectricity + totalCostWater + totalCostInternet) * 1.2;
double average = (totalCostElectricity + totalCostWater + totalCostInternet + totalCostOthers) / monthNo;
System.out.printf("Electricity: %.2f $\n",totalCostElectricity);
System.out.printf("Water: %.2f $\n", totalCostWater);
System.out.printf("Internet: %.2f $\n", totalCostInternet);
System.out.printf("Other: %.2f $\n", totalCostOthers);
System.out.printf("Average: %.2f $ \n", average);
}
}