题解 | #计算商场折扣#

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);
        int price = console.nextInt();
        int cost = 0;
        cost = (int)(price * (price >= 5000?0.6:(price >= 2000?0.7:(price >= 500?0.8:(price>= 100?0.9:1)))));
        System.out.println(cost);
    }
}