C++ please!

Question 2 Create a function called FirstUpper() with return type void that takes a string as parameter. The function converts the first letter for each word in the string to upper case and the remaining letters to lower case. Your main() function should read in the string and then call the function (FirstUpper()) to do the conversion. You must then print the output from main(). Example Output Enter your sentence: capitalize only the FIRST letter for each WORD in string. The string after conversion: Capitalize only the First Letter For Each Word In String. Rubrics 4 point(s): Correct implementation of FirstUpper(). 2 point(s): Using gets(). 2 point(s): Correct output. 2 point(s): No syntax errors