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#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;
}