PROGRAMMING:Output capital letters

This problem requires the preparation of procedures, in order to output the given string appeared in the capital English letters, each letter only output once; If there is no capital letter, output "not found".
###Input format:
Enter as a character string (less than 80 characters) that ends with carriage return.
###Output format:
In accordance with the order of input in a line output appeared in the capital letters, each letter only output once. If there is no capital letter, output "not found".
###Input sample 1:
```in
FONTNAME and FILENAME
```
###Output sample 1:
```out
FONTAMEIL
```
###Input example 2:
```
fontname and filrname
```
###Output example 2:
```
Not Found
```






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