My autoclicker

#define WINVER 0x0500
#include <Windows.h>
#include <iostream>
#include <string>
using namespace std;

int main () {
    POINT pt;
    bool hey;
    hey = false;
    int delay;
    HWND hwnd;
    cout << "delay: ";
    cin >> delay;
    while (0==0) {
            if (GetAsyncKeyState(VK_HOME)) {
                hey = true;
                cout << "activated" << endl;
            }
            while (hey==true) {
            hwnd = GetForegroundWindow();
            Sleep(4);
                if (GetAsyncKeyState(VK_END)) {
                    hey = false;
                    cout << "deactivated" << endl;
                }
        while (GetAsyncKeyState(VK_LBUTTON)) {
            GetCursorPos(&pt);
            SendMessage(hwnd, WM_LBUTTONDOWN, MK_LBUTTON, MAKELPARAM(pt.x,pt.y));
            Sleep(delay);
            SendMessage(hwnd, WM_LBUTTONUP, 0, MAKELPARAM(pt.x,pt.y));
            Sleep(delay);
        }
    }
    }
    }