using System;
public class Program
{
public static void Main()
//1 決定參數 及 型別
int pay = 0;
//2 讀取消費者消費多少錢
pay = int.Parse(Console.ReadLine());
Console.WriteLine("消費金額:"+pay);
if(pay<1000){
Console.WriteLine("消費金額 "+pay);
}
else
Console.WriteLine("最後金額 "+(pay*0.8));