#include<stdio.h>
double?getcharge(int?mile,int?time)
{
	double?unit;
	if(time<23?&&?time>=5)
	{
		if(mile>3)
		{
			unit=14+(mile-3)*2.3;
		}
		else?if(mile>3)
		{
			unit=14+(mile-3)*2.76;
		}
		else?if?(mile<3)
		{
			unit=14;
		}
	}
	return?0;
}

int?main()
{
	double?x;
	double?y;
	double?price;
	x=getcharge(12,9);
	y=getcharge(12,6);
	price=x+y;
	printf("小明每天打車費用為%.1f元\n",price);
	return?0;
}