Problems
Mobile Phone
Mobile Phone
Mobile phone number is set. Define, what digits are absent in this number.
\InputFile
In a unique line set mobile phone number.
\OutputFile
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.
Input example #1
0631562976
Output example #1
2 4 8
Input example #24
+380 63 4423122
Output example #24
3 5 7 9