Changing Strings

We love our UCF and we are going to change everything to UCF!

Given a string, change the string to UCF as follows:

• Characters before the leftmost “U” in the string are changed to hyphen (“-”).
• Characters after the rightmost “F” in the string are changed to hyphen.
• Characters between the leftmost U and the rightmost F are changed to “C”.

Assume the string will contain at least one “U”, at least one “F” after that U, and at least one character between the U and F.

There is only one input line; it contains a string of uppercase letters. The string will have at least 3 and at most 50 characters.

Print the input string converted to UCF.