CODE:

#include 
#include 
#include 

using namespace std;
int computerrandom();
int firstgoat();
int secondgoat();
void printMessage();
void saisyo(int&);
void erabukesu(int, int, int&,int&);
void kesu(int,int);
void kekka(int, int,int, int&);
int main()
{
	srand(unsigned(time(NULL)));
	printMessage();
	int choice;
	int computerrandamu;
	int firstgooto;
	int secondgooto;
	saisyo(choice);
	if (choice>3||choice>firstChoice;
}
int firstgoat()
{
	int goat1;
	goat1=(rand()%3)+1;
	return goat1;
}
int secondgoat()
{
	int goat2;
	goat2=(rand()%3)+1;
	return goat2;
}
void printMessage()//the first message
{
	cout>secondChoice;
	//TODO: do refactor
	switch(secondChoice)
	{
		case 1:
			if(firstChoice==secondChoice)
			{
				if(secondChoice==car)
				{
					cout<<"You decide not to change your mind"<<endl;
					cout<<"You have won CAR"<<endl;
				}
				else if(secondChoice!=car)
				{
					cout<<"You decide not to change your mind"<<endl;
					cout<<"You have won A GOAT"<<endl;
				}
			}
			else
			{
				if(firstChoice==car)
				{
					cout<<"You decide not to change your mind"<<endl;
					cout<<"You have won CAR"<<endl;
				}
				else if(firstChoice!=car)
				{
					cout<<"You decide not to change your mind"<<endl;
					cout<<"You have won A GOAT"<<endl;
				}
			}
			break;
		case 2:
			if (thelastbox!=secondChoice)
			{
				if(thelastbox==car)
				{
					cout<<"You decide to change your mind"<<endl;
					cout<<"You have won CAR"<<endl;
				}
				else if(thelastbox!=car)
				{
					cout<<"You decide tochange your mind"<<endl;
					cout<<"You have won A GOAT"<<endl;
				}
			}
			else
			{
				if(secondChoice==car)
				{
					cout<<"You decide to change your mind"<<endl;
					cout<<"You have won CAR"<<endl;
				}
				else if(secondChoice!=car)
				{
					cout<<"You decide tochange your mind"<<endl;
					cout<<"You have won A GOAT"<<endl;
				}
			}
			break;
		default:
			cout<<" You choose invalid box number./n Please try again:"<<endl;
	}
}