package com.company;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int months = sc.nextInt();
        double waterBill = 20;
        double internetBill = 15;
        double otherBills = 0;
        double waterBillCnt = 0;
        double internetBillCnt = 0;
        double electricityBillCnt = 0;
        double otherBillsCnt = 0;
        for (int i = 1; i <= months; i++) {
            double electricityBill = sc.nextDouble();
            electricityBillCnt += electricityBill;
            waterBillCnt += waterBill;
            internetBillCnt += internetBill;
            otherBills = (electricityBill + waterBill + internetBill) * 1.2;
            otherBillsCnt += otherBills;
        }
        double avg = (electricityBillCnt + waterBillCnt + internetBillCnt + otherBillsCnt) / months;
        System.out.printf("Electricity: %.2f $\n", electricityBillCnt);
        System.out.printf("Water: %.2f $\n", waterBillCnt);
        System.out.printf("Internet: %.2f $\n", internetBillCnt);
        System.out.printf("Other: %.2f $\n", otherBillsCnt);
        System.out.printf("Average: %.2f $\n", avg);
    }
}