Bills

import java.util.Scanner;
public class Bills {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        int months=Integer.parseInt(scanner.nextLine());
        double sumEl=0;
        double sumW=months*20;
        double sumI=months*15;
        double sumO=0;
        double av=0;
        for (int i = 1; i <=months ; i++)
        {double el=Double.parseDouble(scanner.nextLine());
         sumEl=sumEl+el;
         sumO=(sumEl+sumW+sumI)*1.2;
         av=(sumEl+sumW+sumI+sumO)/months;}
        System.out.print("Electricity: ");
        System.out.printf("%.2f",sumEl);
        System.out.println(" lv");
        System.out.print("Water: ");
        System.out.printf("%.2f",sumW);
        System.out.println(" lv");
        System.out.print("Internet: ");
        System.out.printf("%.2f",sumI);
        System.out.println(" lv");
        System.out.print("Other: ");
        System.out.printf("%.2f",sumO);
        System.out.println(" lv");
        System.out.print("Average: ");
        System.out.printf("%.2f",av);
        System.out.println(" lv");
        }
    }