#include <stdio.h>
using namespace std;

int main(){
	int money;
	double discount,pay;
	while(scanf("%d",&money)!=EOF){
		if(money<=1000){
			discount = 1;
		}else if(money<=2000){
			discount = 0.95;
		}else if(money<=3000){
			discount = 0.9;
		}else if(money<=5000){
			discount = 0.85;		
		}else{
			discount = 0.8;
		}
		pay = (double)money*discount;
		printf("discount=%g,pay=%g\n",discount,pay);
	}
	return 0;
}