#include <bits/stdc++.h>
using namespace std;
int main()
{
    int x;
    while(scanf("%d", &x) != EOF)
    {
        double discount = 0, pay = 0;
        if(x <= 1000)  discount = 1;
        else if (x > 1000 && x <= 2000) discount = 0.95;
        else if (x > 2000 && x <= 3000) discount = 0.9;
        else if (x > 3000 && x <= 5000) discount = 0.85;
        else discount = 0.8;
        pay = x * discount;
        printf("discount=%g,pay=%g\n", discount, pay);
    }
    return 0;
}