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;

        //write your code here......
        if(price >= 5000){
            cost =(int) (price*0.6);
        }else if(price >=2000) {
            cost = (int) (price*0.7);            
        }else if(price >=500) {
            cost = (int) (price*0.8);            
        }else if(price >=100) {
            cost = (int) (price*0.9);            
        }else if( price<1){
            cost = 0;
        }else{
            cost = price;
        }
        

        System.out.println(cost);
    }
}