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 $501$.

Input

One positive integer $n(1\le n\le 10^{18})$.

Output

Remove from the number $n$ all digits $3$ and $9$, keeping the relative order of other digits.

Examples