PROGRAMMING:to greet

Output greetings: Hello! What's your name?
Enter the name from the keyboard and output the welcome message.
###Input format:
Please enter your name here. For example:
GaiFuShuai
###Output format:
Please describe the output here, for example:
Hello! What's your name?
GaiFuShuai,Welcome to learn OOP using C++!
###Input example:
```in
BaiFuMei
```
###Output example:
```out
Hello! What's your name?
BaiFuMei,Welcome to learn OOP using C++!
```






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