void main(void)
{
     // Variables declared as Build-in Data type. It is unstructured.
     // Variable W1 and L1 respresent the width and lenght of a rectangle
     // They should be combined together into a data structure for readability.

     int w1=5;
     int l1=6;
     int w2=w1;
     int l2=l1;

    printfn "Width of rectangle is: " + w1 + "\n";
    printfn "Length of rectangle is: " + l1 + "\n";
    printfn "Area of rectangle is: " + w1*l1 + "\n" + "\n";

    printfn "Width of rectangle is: " + w2 + "\n";
    printfn "Length of rectangle is: " + l2 + "\n";
    printfn "Area of rectangle is: " + w2*l2 + "\n" + "\n";

    printfn "Combined area of both rectangles is: " + (w1*l1)+(w2*l2) + "\n";
}