As a preliminary step of the solution let's highlight the most essential data in the problem.

This doesn't mean, however, that what is not highlighted can be ignored altogether.

**T**wo
mothers met in a street. They started talking about their
children. "I have ** three **
sons," said the first mother. "How old are they?" asked the second.

"**W**ell,
it's easy to figure this out," replied the first mother.
"The ** product **
of their ages is equal to ** 36 **
and the ** sum **
of their ages is equal to the number of ** windows **
in the house ** across **
the street."

**T**he
second mother thought for a while and said, "What you've told me is
** not sufficient **
to solve your problem." "Oh, yes, the ** oldest **
one is red-haired," replied the first mother and the second solved the problem.

**W**hat
were the ** ages **
of the first mother's sons?

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