void SetColor(int k)
{
    HANDLE hConsoleColor;
    hConsoleColor = GetStdHandle(STD_OUTPUT_HANDLE);
    SetConsoleTextAttribute(hConsoleColor, k);
}

//Exit
char ch;
    while (true) {

        if (_kbhit()) {
            ch = _getch();
            if (int(ch) == 27)
                break;
        }
    }