Mobile Phone
Very easy
Execution time limit is 0.5 seconds
Runtime memory usage limit is 128 megabytes
Mobile phone number is set. Define, what digits are absent in this number.
Input
In a unique line set mobile phone number.
Output
In the first line deduce quantity of digits absent in number. In the second line in ascending order deduce the absent digits parted by a blank.
Examples
Input #1
Answer #1
Input #24
Answer #24
Submissions 24K
Acceptance rate 34%