#!/usr/bin/python3
#coding:utf-8
start = 4500
month = 12
rate = 0.027
money = 0

for i in range(1, month):
    rate_money = start * rate / 12
    print("第%d个月的利息为：%f\n" % (i, rate_money))
    money = money + rate_money
    start = start - 5000 / 12

print(money)