PROGRAMMING:initial

All shooting operators, before each shooting competition, have to carry out one or more test firing activities, mainly used to test the shooting environment, in order to adapt to the competition environment, hoping to achieve the best results in the competition. Programmers are no exception. Every time they write the first program, they must first write a HelloWorld program to verify whether the programming environment is feasible. Now, it is required to conduct a trial programming test. It is required to input a line of characters from the screen, and then output a similar string on the screen, and express congratulations at the same time.
###Input format:
Requires a line of characters to be entered from the keyboard.
###Output format:
Output the string on the screen, and then output the congratulatory words, ending with a full stop in English.
###Input example:
Here is a set of inputs. For example:
```in
Hello
```
###Output example:
The corresponding output is given here. For example:
```out
Hello.Congratulation.
```







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