06. Bills

# 06. Bills

moutns = int(input())
electricity = 0
mount_money_1 = 0

for i in range(moutns):
    elec = float(input())
    electricity += elec
    mount_money = ((elec + 35) * 0.2 ) + (elec + 35)
    mount_money_1 += mount_money

water = moutns * 20
internet = moutns * 15
other = mount_money_1
average = (water + electricity + internet + other ) / moutns
print(f"Electricity: {electricity:.2f} lv")
print(f"Water: {water:.2f} lv")
print(f"Internet: {internet:.2f} lv")
print(f"Other: {mount_money_1:.2f} lv")
print(f"Average: {average:.2f} lv")