//6.   Месечни разходи
public class MyClass {
    public static void main(String args[]) {
       java.util.Scanner scanner = new java.util.Scanner(System.in);
       int months = scanner.nextInt();
       double electricityBill = 0.0;

       double electricityToPay = 0.0;
       double waterToPay = 0.0;
       double internetToPay = 0.0;
       double otherExpensesToPay = 0.0;

       for (int i = 1; i <= months; i++) {
           electricityBill = scanner.nextDouble();
           electricityToPay += electricityBill;
           waterToPay += 20;
           internetToPay += 15;
           otherExpensesToPay += (electricityBill + 20 + 15) * 1.2;
       }
       double averageMoneySpentPerMonth = (electricityToPay + waterToPay + internetToPay + otherExpensesToPay) / months;

       System.out.printf("Electricity: %.2f lv\n", electricityToPay);
       System.out.printf("Water: %.2f lv\n", waterToPay);
       System.out.printf("Internet: %.2f lv\n", internetToPay);
       System.out.printf("Other: %.2f lv\n", otherExpensesToPay);
       System.out.printf("Average: %.2f lv", averageMoneySpentPerMonth);
    }
}