PROGRAMMING:Programming calculation 1 + 11 + 111 +... + 111111
Programming calculation 1 + 11 + 111 +... + 111111.
###Input format:
There is no input for this topic
###Output format:
1+11+111+...+111111111=123456789
###Input example:
There is no input for this topic
```in
```
###Output example:
```out
1+11+111+...+111111111=123456789
```
answer:If there is no answer, please comment
###Input format:
There is no input for this topic
###Output format:
1+11+111+...+111111111=123456789
###Input example:
There is no input for this topic
```in
```
###Output example:
```out
1+11+111+...+111111111=123456789
```
answer:If there is no answer, please comment