#include <iostream>

#include <string>

using namespace std;

template <typename T>

void PrintT(T& t)

{

cout << "lvalue" << endl;

}

template <typename T>

void PrintT(const T&& t)

{

cout << "rvalue" << endl;

}

template <typename T>

void TestForward(T&& v)

{

PrintT(v);

PrintT(std::forward<T>(v));

PrintT(std::move(v));

}

int main()

{

TestForward();

int x = ;

TestForward(x);

TestForward(x);

return ;

}