Take first name and last name from the user and display the following output on screen: (4) - Hello followed by full name of the user - Total number of vowels in the full name of the user - Highest alphabet used in the first name (Assuming A as smallest and Z as largest alphabet) - Last 4 characters of the last name - First four characters of the first name - Full name in Upper Case - Full name in lower case - Replace all A in the first name with E and E in the last name with A and display the full name