#include<stdio.h>
void main()
{
	int profit,bonus;
	scanf("%d",&profit);
	if(profit<=100000)
		bonus=profit*0.1;
	else if(100000<profit&&profit<=200000)
		bonus=10000+(profit-100000)*0.075;
	else if(200000<profit&&profit<=400000)
		bonus=17500+(profit-200000)*0.05;
	else if(400000<profit&&profit<=600000)
		bonus=27500+(profit-400000)*0.03;
	else if(600000<profit&&profit<=1000000)
		bonus=33500+(profit-600000)*0.015;
	else
		bonus=39500+(profit-1000000)*0.01;
	printf("%d",bonus);
}