#include<iostream>
using namespace std;
int main(){
	double num;
	cin >> num;
	double discount;
	double pay = 0.0;
	if(num > 0 && num < 1000){
		discount = 1;
	//	pay = num;
	}
	if(num >= 1000 && num < 2000){
		discount = 0.95;
	//	pay = num * discount;
	}
	if(num >= 2000 && num < 3000){
		discount = 0.9;
	//	pay = num *discount;
	}
	if(num >= 3000 && num < 5000){
		discount = 0.85;
	//	pay = num *discount;
	}
	if(num >= 5000){
		discount = 0.8;
	//	pay = num *discount;
	}
	pay = num * discount;
	cout << "discount=" << discount << ",pay=" << pay << endl;
	return 0;
}