小白，求解答！ 急

// 判断奇偶数.cpp: 主项目文件。#include "stdafx.h"
using namespace System;int main(array<System::String ^> ^args)
{int num;
String ^Result;
System::Console::Writeline(L"请输入一个整数：");
num=Int32::Parse(System::Console::Readline());
Result=(num%2==0) ? "是偶数":"是奇数";
System::Console::Writeline(num+Result);
System::Console::Readline(); Console::WriteLine(L"Hello World");
return 0;
}1>1.cpp(9): error C2039: “Writeline”: 不是“System::Console”的成员
1> c:\program files (x86)\reference assemblies\microsoft\framework\.netframework\v4.0\mscorlib.dll : 参见“System::Console”的声明
1>1.cpp(9): error C3861: “Writeline”: 找不到标识符
1>1.cpp(10): error C2039: “Readline”: 不是“System::Console”的成员
1> c:\program files (x86)\reference assemblies\microsoft\framework\.netframework\v4.0\mscorlib.dll : 参见“System::Console”的声明
1>1.cpp(10): error C3861: “Readline”: 找不到标识符
1>1.cpp(12): error C2039: “Writeline”: 不是“System::Console”的成员
1> c:\program files (x86)\reference assemblies\microsoft\framework\.netframework\v4.0\mscorlib.dll : 参见“System::Console”的声明
1>1.cpp(12): error C3861: “Writeline”: 找不到标识符
1>1.cpp(13): error C2039: “Readline”: 不是“System::Console”的成员
1> c:\program files (x86)\reference assemblies\microsoft\framework\.netframework\v4.0\mscorlib.dll : 参见“System::Console”的声明
1>1.cpp(13): error C3861: “Readline”: 找不到标识符
1>