Please write in c++

Read a sentence from the console.

Break the sentence into words using the space character as a delimiter.

Iterate over each word, if the word is a numeric value then print its value doubled, otherwise print out the word, with each output on its own line.

Sample Run:

Sentence: Hello world, there are 3.5 items.

Output:

Hello

world,

there

are

7

items.

Please explain the lines of code too.