Problems
Delete digits
Delete digits
One positive integer $n$ is given. Remove from this number all digits $3$ and $9$, leaving the order of other digits the same.
For example, the number $539013$ will be transformed to $501$.
\InputFile
One positive integer $n~(1 \le n \le 10^{18})$.
\OutputFile
Remove from the number $n$ all digits $3$ and $9$, keeping the relative order of other digits.
Input example #1
539013
Output example #1
501