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.