#include<bits/stdc++.h>
using namespace std;

int main(){
	double a;
	scanf("%lf", &a);
	if(a<1000) printf("discount=1,pay=%g", a*1.0);
	if(a>=1000&&a<2000) printf("discount=0.95,pay=%g\n", a*0.95);
	if(a>=2000&&a<3000) printf("discount=0.9,pay=%g\n", a*0.9);
	if(a>=3000&&a<5000) printf("discount=0.85,pay=%g\n", a*0.85);
	if(a>=5000) printf("discount=0.8,pay=%g\n", a*0.8);
	return 0;
}