Have the function Mathcha Ilenge $($num$)$ take the num parameter being passed and return the next number greater than nus using the same digits. For example: if num is $123$ retum $132,$ if it's $12453$ return $12534.$ If a number has no greater permutations, retum $-1($ie$.999).$

Once your function is working, take the final output string and replace all characters that appear in your chal lengeroken with $[$CHAR$]-$

Your challengetoken: mh$64$cnexs

$?$

Examples

Input: $11121$

Output: $11211$

Final Output: $11211$

Input: $41352$

Output, $41523$

Elad outhut