When
is written in decimal notation, the sum of its digits is
Let
be the sum of the digits of
Find the sum of the digits of
(
and
are written in decimal notation.)
%V0
When $4444^{4444}$ is written in decimal notation, the sum of its digits is $A.$ Let $B$ be the sum of the digits of $A.$ Find the sum of the digits of $B.$ ($A$ and $B$ are written in decimal notation.)
Školjka