class UnresponsiveUI
{
    private volatile double d = 1;
    public UnresponsiveUI() throws Exception
    {
        while(d > 0)
        {
            d = d + (Math.PI + Math.E) / d;
            System.in.read();
            System.out.println(d);
        }
    
    }
}

    public static void main(String[] args) throws Exception
    {
        new UnresponsiveUI(); // Must kill this process
        //new ResponsiveUI();
        //System.in.read();
        //System.out.println(d);
    }
}