Need help coding this program and please explain how the operations work in pseudocode please.

Problem: Starting with the following C++ program #include using namespace std; void main () long Var16; long Var210; long var3 = 15; long Var4 21; long Var522; long Sum; long Result; long Remainder; const unsigned byte c-6: const unsigned byte c2-10; const unsigned byte c3-15 const unsigned byte c4 21; const unsigned byte c5 22; a sm cout