PROGRAMMING:Output graphics
Write a program to output graphics. The first line outputs 12 $, the second line outputs 3 spaces first, and then outputs Hello!, The third line outputs 12$
###Input example:
```in
No input
```
###Output example:
```out
$$$$$$$$$$$$
hello!
$$$$$$$$$$$$
```
answer：If there is no answer, please comment
###Input example:
```in
No input
```
###Output example:
```out
$$$$$$$$$$$$
hello!
$$$$$$$$$$$$
```
answer：If there is no answer, please comment