PROGRAMMING:Reverse order of string

Input a string, reverse the sequence of the string, and output the reverse sequence of the string.
###Input format:
Enter a non empty string that ends with carriage return and is no more than 80 characters long in one line.
###Output format:
Output the string in reverse order on one line.
###Input example:
```in
Hello World!
```
###Output example:
```out
! dlroW olleH
```






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