#include<stdio.h>

int main(){
    float moneyin=0,discount=0,pay=0;
    while(scanf("%f",&moneyin)!=EOF){
        if(moneyin>=5000)
            {discount=0.8;pay=moneyin*discount;}
        else if(moneyin>=3000)
            {discount=0.85;pay=moneyin*discount;}
        else if(moneyin>=2000)
            {discount=0.9;pay=moneyin*discount;}
        else if(moneyin>=1000)
            {discount=0.95;pay=moneyin*discount;}
        else
            {discount=1;pay=moneyin*discount;}
        printf("discount=%g,pay=%g",discount,pay);
    }
}