Exercise 24 - due at 11:59:00 PM on 11/02/2021

1. Write a C++ program to read in a newline terminated  C++ string object from the user. Print its size ans capacity. Then, change every 5th element to an 'a'. Accept another C++ string object, this one terminated by '$',  from the user and append it to the original string. Print the result and the result's size and capacity. 

NOTE: Capacity is compiler dependentm, and might be different on your machine.

Sample Run:

Enter a string: C++ strings are a lot of fun.
Size: 29
Capacity: 30
enter the string to be appended: macaroni and cheese$
The final string is C++ atrinas ara a lat ofafun.macaroni and cheese
Size: 48
Capacity: 58