c++ coding easy help

First i want to declare, yes i am a noob. I have just started programming and now i need to know how you turn an entire char sentence into int in such a way that you can change it in the console window with a number, and then change it back with the same number.
Thanks beforehand.

If I'm understanding your question correctly, you want to be able to input a number via the console, store that number in a variable, and then modify it again through the console?

If so, you'll want to read up on the I/O objects cin and cout, which will let you interact with standard output. The extraction operator in C++ (>>) will allow you to extract data from standard input based on the type of variable you try and store it in.

For example, to extract an integer from standard input, you might do something like this: