#include <stdio.h>
int main(void)
{
int money,potion,ether,sword,shield,payment,change;
double tax;
potion = 100;
ether = 1000;
sword = 1500;
shield = 500;
money = 10000;
tax = 1.10;
payment = (int)((potion + ether * 2) * tax);
change = money - payment;
printf("%dG\n",change);
return 0;
}
