One possible, spoiler-free walkthrough for �YNKaboom.taf�
By Duncan Bowsman.

> y
> y
> y
> y
> n
> n
> n
> n
> y
> n
> y
> y
> n
> y
> y
> y
> n
> n
> y
> n
> n
> n
> n
> y
> y

It�s really not that hard, see?  There are other endings for which you might try, 
if interested, including the best ending in which you inherit all the money at the end.