Development Visual C++ .NET

#include "stdafx.h"
#using 
using namespace System;
enum { ONE = 1, TWO, THREE, FOUR, FIVE = 5, SIX };
int main(void) {
    Console::WriteLine(ONE);
    Console::WriteLine(TWO);
    Console::WriteLine(THREE);
    Console::WriteLine(FIVE);
    Console::WriteLine(SIX);
    return 0;
}