#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main()
{
    int n;
    double discount,pay;
    while(scanf("%d",&n)!=EOF)
    {
        if(n<=1000)
        {
            discount=1;
        }
        if(n>1000&&n<=2000)
        {
            discount=0.95;
        }
        if(n>2000&&n<=3000)
        {
            discount=0.9;
        }
        if(n>3000&&n<=5000)
        {
            discount=0.85;
        }
        if(n>5000)
        {
            discount=0.8;
        }
        pay=n*discount;
        printf("discount=%g,pay=%g\n",discount,pay);
    }
    return 0;
}