In basic C++ please.

Spring is coming. Bob is planning a rectangular garden in his backyard. He needs to design the dimension (width1 x width2) of his garden given the fences with a specific length in feet. Write a program to help him decide whether a dimension design is achievable or not. The program will take three integers as input in the following format

and returns whether the specified dimension is achievable with the given fence.

Ex: if the input is

28 5 8 

the program will output

The suggested dimension is achievable. 

If the input is

28 7 8 

the program will output

The suggested dimension is not achievable. 2 more feet of fences are needed. 

Here the value of 2 is computed from the difference 28 - 2*(7+8) (returned by the following function).

You Must define and call the following function that takes three parameters as input, including the given length of fences, width1 and width2 of the garden dimension (all are integers), and returns the remainder of the fences after setting the fences for the designed garden.

int validateDimension(int fenceLength, int width1, int width2);

Hint: the total length of fences needed for a rectangular garden with dimension (width1 x width2) is 2*(width1+width2).