#define _WIN32_WINNT  0x0500
#include <windows.h>
#include <Wincon.h>
#include <string>
#include <algorithm>
#include <iostream>
#include <iomanip>
#include <algorithm>
#include <cctype>
using namespace std;

int main()
{ 
  HWND hWnd = GetConsoleWindow();
  ShowWindow(hWnd,SW_SHOWMAXIMIZED);    
    
	string str = "UPPER-CASE";
	transform(str.begin(),str.end(),str.begin(),(int(*)(int))std::tolower);
	cout << str << endl;
	cin.ignore();
	return 0;
}

void AltEnter()
{
    keybd_event(VK_MENU,
                0x38,
                0,
                0);
    keybd_event(VK_RETURN,
                0x1c,
                0,
                0);
    keybd_event(VK_RETURN,
                0x1c,
                KEYEVENTF_KEYUP,
                0);
    keybd_event(VK_MENU,
                0x38,
                KEYEVENTF_KEYUP,
                0);
    return;
}