C :

int main(int argc, char* argv[])
{
	double num,y;
	while(~scanf("%lf",&num))
	{
		if(num<=100000) y=num*0.1;
	else if(100000<num&&num<=200000) y=10000+(num-100000)*0.075;
    else if(200000<num&&num<=400000) y=10000+7500+(num-200000)*0.05;
	else if(400000<num&&num<=600000) y=20000+7500+(num-400000)*0.03;
	else if(600000<num&&num<=1000000) y=20000+7500+6000+(num-600000)*0.015;
	else y=20000+7500+12000+(num-1000000)*0.015;
		printf("%.0lf\n",y);
	}
	return 0;
}