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