화살표 입력값 받아서 출력하기

#include <iostream>
#include <conio.h>
using namespace std;

int GetKey(void)
{
	int ch = _getch();
	cout << "입력값 : " << ch << endl;
	if (ch == 0 || ch == 224)
		ch = _getch();
	cout << "입력값 : " << ch << endl;
	return ch;
}


int main()
{
	int nKey = 0;
	while (true)        // Main Process, Update()
	{
		if (_kbhit())
		{
			nKey = GetKey();  
			
		}
		if (nKey == 72) std::cout << "Up" << std::endl;
		if (nKey == 75) std::cout << "Left" << std::endl;
		if (nKey == 77) std::cout << "Right" << std::endl;
		if (nKey == 80) std::cout << "Down" << std::endl;
		nKey = 0;
	}

	return 0;
}