C-PROM 2014 (PROBLEM 6 FIND THE SHADED AREA)




PROBLEM 6 : FIND THE SHADED AREA


Given the diagram below, you are required to find the shaded area.



 



Input

The first line of the input contains the length and width of the outer shape.  Followed by the length and width of the inner shape.


Output

The output will print the area of the outer and inner shapes and the shaded area.

Sample Input
Sample Output
10 5
2 2

36
4
32







Problem Setter : Mahfudzah Othman


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