PROGRAMMING:Special birthday
Each date can be converted into 8 digits. For example, May 12, 2018 corresponds to 20180512. Xiao Ming found that after his birthday was turned into eight digits, none of the eight digits were repeated, and since he was born to this day, there has never been such a day. When is Xiao Ming's birthday?
###Input format:
There is no input for this topic
###Output format:
Xiao Ming's birthday is on
###Input example:
Here is a set of inputs. For example:
```in
nothing
```
###Output example:
The corresponding output is given here. For example:
```out
Xiao Ming's birthday is June 25, 1987
```
answer：If there is no answer, please comment
###Input format:
There is no input for this topic
###Output format:
Xiao Ming's birthday is on
###Input example:
Here is a set of inputs. For example:
```in
nothing
```
###Output example:
The corresponding output is given here. For example:
```out
Xiao Ming's birthday is June 25, 1987
```
answer：If there is no answer, please comment