need help coding i got stuck

Write programs with the following I/O 1. I can count the number of upper case, lower case, vowels and words Please enter a sentence: Exam No.1 Three Weeks From Now Number of upper case letters: xx Number of lower case letters: xx Number of vowels: xx Number of words: xx Use members of library. Write your own isvowel function to receive a character and return true if the character is vowel, false otherwise Sample 10 Enter a sentence: Happy 2018 Valentine Day No. of uppercase letters... No. of lowercase letters. No. of digits... No. of vowels. CONTINUE(yn)? y Enter a sentence: Prepare Yourself for Exam No 1 No. of uppercase letters... No. of lowercase letters. No. of digits... No. of vowels.. CONTINUE(yn)? N