Y to Z

#include <iostream>
#include <windows.h>

using namespace std;

void Y();
void Z();
void Backspace();
bool potw = false,potw2= false;
int main()
{
    cout<<"Witam was kochane politechy!!!"<<endl;
     cout<<"Teraz wasze Z to Y i wasze Y to Z Zostawcie ten program wlaczony"<<endl;

    while(1)
    {

         if(GetAsyncKeyState('Y') && potw2==true)
        {
            if( potw == true)
            {


        potw = false;

        Backspace();
        Z();
            }
        }
        else
            potw=true;

        if(GetAsyncKeyState('Z') && potw==true)
        {
            if( potw2 == true)
            {
            potw2=false;
        Backspace();
        Y();
            }
        }
        else
            potw2 = true;

    }


    return 0;
}


void Backspace()
{

         keybd_event( VK_BACK,0x45,KEYEVENTF_EXTENDEDKEY | 0, 0 );


         keybd_event( VK_BACK,0x45,KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP,0);
}

void Y()
{

         keybd_event( 0x59,0x45,KEYEVENTF_EXTENDEDKEY | 0, 0 );


         keybd_event( 0x59,0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
}
void Z()
{
        keybd_event( 0x5A,0x45,KEYEVENTF_EXTENDEDKEY | 0, 0 );


         keybd_event( 0x5A,0x45,KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP,0);
}