객체지향 프로그래밍

int main()
{
   printf("Hello, World!");
   printf("Hello, World! Again");
   return 0;
}


int g_sayCount = 0;

void increseSayCount()
{
	g_sayCount++;
}

void say(string message)
{
	if(g_sayCount==0) 
		hello(message) 
	else
		helloAgain(message);

	increseSayCount();
}

void hello(string message)
{
	printf(message);
}

void helloAgain(string message)
{
	printf(message + "Again");
}

int main()
{
   say("Hello, World!");
   say("Hello, World!");
   return 0;
}