PROGRAMMING:Hello
Your program will read in a name like John and output "Hello John".
###Input format:
One line of text.
###Output format:
One line of text.
###Input example:
```in
Mary Johnson
```
###Output example:
```out
Hello Mary Johnson
```
answer:If there is no answer, please comment
###Input format:
One line of text.
###Output format:
One line of text.
###Input example:
```in
Mary Johnson
```
###Output example:
```out
Hello Mary Johnson
```
answer:If there is no answer, please comment