Hello! Thank you for the fortran code earlier! But it's not really what I am looking for. We haven't learn the recursive thing in class yet.

Hello! Thank you for the fortran code earlier! But it's not really what I am looking for... We haven't learn the recursive thing in class yet... So I am looking for a "beginner" way to solve the problem. Is it possible that you could revise the answer? Or let me know what I did wrong in the program, I attach a screenshot of the coding I have so far and the error message I received :) Thank you!

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