#pragma once
#include <iostream>
using namespace std;

void echo()
{
	cout << "Print user's input directly " << endl;
	while (1)
	{
		string any;
		cin >> any;
		if (any == "exit")
		{
			return;
		}
		else
		{
			cout << any << endl;
		}
	}
	return;
}