Score : $100$ points
Let $xyz$ denote the $3$-digit integer whose digits are $x$, $y$, $z$ from left to right.
Given a $3$-digit integer $abc$ none of whose digits is $0$, find $abc+bca+cab$.
Input is given from Standard Input in the following format:
Print the answer.
We have $123+231+312=666$.
We have $999+999+999=2997$.