I need the code in c++ plz help!!

my code is below

here is the example

here's what i am able to do so far, which works kinda but not exactly because it takes one word at a time

Create a C++ program that utilizes loops and conditions to make sure an entire word is lowercase. Example Execution: Enter a word: Maggie May Neal Your word(s) before: Maggie May Neal Your word(s) after: maggie may neal