PROGRAMMING:The universe is invincible
It is said that the first program that all programmers learn is to output a "Hello world" on the screen to say hello to the world. As a programmer in the ladder race, you should write more advanced programs to greet any given planet.
###Input format:
Enter the name of a planet's' in the first line, which is a word composed of no more than seven English letters, ending with carriage return.
###Output format:
Output 'hello s' in one line and say hello to the's' planet.
###Input example:
```in
Mars
```
###Output example:
```out
Hello Mars
```
answer：If there is no answer, please comment
###Input format:
Enter the name of a planet's' in the first line, which is a word composed of no more than seven English letters, ending with carriage return.
###Output format:
Output 'hello s' in one line and say hello to the's' planet.
###Input example:
```in
Mars
```
###Output example:
```out
Hello Mars
```
answer：If there is no answer, please comment